article,aside,audio,canvas,details,figcaption,figure,footer,header,main,nav,section,summary,video{display:block}audio:not([controls]){display:none;height:0}html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;font-size:100%}template{display:none}svg{display:block;overflow:hidden}p svg{display:inline-block}circle,g,line,path,polyline,use{transform-box:fill-box;transform-origin:center}*{-webkit-tap-highlight-color:transparent;color:inherit;cursor:inherit}::-moz-selection{background:rgba(0,0,0,.1);text-shadow:none}::selection{background:rgba(0,0,0,.1);text-shadow:none}body,html{margin:0;padding:0}html{background-color:#fff;cursor:default;font-family:Helvetica Neue,Helvetica,Arial,sans-serif}.hidden,[hidden]{display:none!important;visibility:hidden!important}.noselect{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;user-select:none}.nocallout{-webkit-touch-callout:none}.clearfix:after{clear:both;content:" ";display:block}p{margin:0 0 1em}h1,h2,h3,h4,h5,h6{color:inherit;font-weight:700;line-height:1.1;margin:2em 0 .8em;padding:0;text-rendering:optimizelegibility}a{cursor:pointer}a,a:hover{text-decoration:none}a:active,a:focus,a:hover{outline:none}input:invalid{box-shadow:none;outline:none}a,button{touch-action:manipulation}button{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;user-select:none}button:focus{outline:0}.small,small{font-size:80%}.b,b,strong{font-weight:700}.i,dfn,em,i{font-style:italic}.u{text-decoration:underline}.o{text-decoration:overline}.d{text-decoration:line-through}sub,sup{font-size:65%;line-height:0;margin:0 .1em;position:relative;vertical-align:baseline}sup{top:-.6em}sub{bottom:-.25em}.text-left{text-align:left}.text-right{text-align:right}.text-center{text-align:center}.text-justify{text-align:justify}.smallcaps{-webkit-font-feature-settings:"smcp" on;font-feature-settings:"smcp" on}.caption{color:#888;font-size:80%}.break{-ms-hyphens:auto;-webkit-hyphens:auto;hyphens:auto;word-break:break-all}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}ol,ul{margin:0 0 1em 1.5em;padding:0;text-align:left}ol ol,ol ul,ul ol,ul ul{margin:.5em 0 0 1.5em}li{margin:0 0 .5em}nav ol,nav ul,ol.unstyled,ul.unstyled{list-style:none;margin:0}ol.unstyled li,ul.unstyled li{margin:0}ol.inline,ul.inline{list-style:none;margin-left:0}ol.inline>li,ul.inline>li{display:inline-block;padding-left:5px;padding-right:5px}hr{background:#aaa;clear:both;display:block;height:1px;margin:1em 0;padding:0}hr,img{border:0}img{-ms-interpolation-mode:bicubic;height:auto;max-width:100%;vertical-align:middle}figure{margin:0}blockquote{margin:1.5em 0}blockquote,q{font-style:italic}q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:none}abbr[data-original-title],abbr[title]{border-bottom:1px dotted #999;cursor:help}.red{color:#d90000}.orange{color:#f15a24}.yellow{color:#edd200}.lime{color:#b2d300}.green{color:#00b200}.cyan{color:#29abe2}.blue{color:#006dd9}.violet{color:#662d91}.purple{color:#9d0069}.pink{color:#ed1e79}.lgrey{color:#aaa}.dgrey{color:#666}table{border-collapse:collapse;border-spacing:0}table,td{border:none}td{vertical-align:top}table.fixed{table-layout:fixed}table.grid td{border-bottom:1px solid #ccc;border-right:1px solid #ccc}table.grid tr td:last-child{border-right:none}table.grid tr:last-child td{border-bottom:none}.r{position:relative}.a{position:absolute}.column,.row{display:flex;flex-wrap:wrap;justify-content:center}.column{flex-direction:column}.row.right{flex-direction:row-reverse}.column.up{flex-direction:column-reverse}.column.padded,.row.padded{margin:-24px}.column.padded>*,.row.padded>*{margin:24px}.column.padded-thin,.row.padded-thin{margin:-12px}.column.padded-thin>*,.row.padded-thin>*{margin:12px}.column .grow,.row .grow{flex-grow:1}.column .shrink,.row .shrink{flex-shrink:1}.padded-thin>*>p:last-child,.padded>*>p:last-child{margin-bottom:0}.is-mobile .only-desktop,.not-mobile .only-mobile,.not-touch .only-touch{display:none!important}@media screen and (max-width:480px){.xs-hide{display:none!important}}@media screen and (max-width:640px){.s-hide{display:none!important}}@media screen and (min-width:641px){.l-hide{display:none!important}}@media screen and (min-width:801px){.xl-hide{display:none!important}}@media print{.only-print{display:initial!important}.only-screen{display:none!important}}@media screen{.only-screen{display:initial!important}.only-print{display:none!important}}@-ms-viewport{width:device-width}@media print{body{background:transparent;color:#000}h2,h3,p{orphans:3;widows:3}h1,h2,h3{page-break-after:avoid}p a,p a:visited{text-decoration:underline}p a[href]:after{content:" (" attr(href) ")"}a[href^="#"]:after,a[href^="javascript:"]:after{content:""}abbr[title]:after{content:" (" attr(title) ")"}blockquote,img,pre,tr{page-break-inside:avoid}img{max-width:100%!important}@page{margin:.5cm}}.dropdown-body{display:none}.modal-background{background:rgba(0,0,0,.8);bottom:0;left:0;right:0;top:44px;z-index:400}.modal-background,x-modal{display:none;position:fixed}x-modal{-webkit-overflow-scrolling:touch;background:#fff;border-radius:12px;box-shadow:0 6px 32px rgba(0,0,0,.6);box-sizing:border-box;left:50%;max-height:calc(100vh - 40px);max-width:calc(100vw - 40px);overflow:auto;padding:24px;top:50%;transform:translate(-50%,-50%);width:520px;z-index:401}x-modal h2{margin-top:0}x-modal h2 .icon{margin:-6px 0 -6px -6px}x-modal .btn-row{margin:0 -2px;text-align:right}x-modal .form-large{margin:0 -8px -10px}x-modal .close{cursor:pointer;fill:rgba(0,0,0,.4);padding:8px;position:absolute;right:0;top:0;transition:fill .2s,transform .2s}x-modal .close .icon{display:block}x-modal .close:hover{fill:#000;transform:scale(1.4)}html{color:#333;font-family:Source Sans Pro,Helvetica,sans-serif;font-size:18px;line-height:1.6;min-width:320px;touch-action:manipulation}.container{margin:0 auto;max-width:calc(100% - 48px);position:relative;width:1000px}.container.narrow{width:800px}.panel.narrow{margin:0 auto;max-width:800px}.icon{display:inline-block}.button .icon{margin:-10px 3px -10px -8px}body>.body{margin-top:44px}body>.body:after,body>.body:before{clear:both;content:" ";display:table}.m-red{color:#b30469}.m-blue{color:#1f7aff}.m-green{color:#31b304}.m-yellow{color:#ff941f}.img-wrap{max-width:100%}.img-wrap .img-placeholder{height:0}.img-wrap img{width:100%}html:not(.ready) *{animation:none!important;transition:none!important}h1{font-size:40px;font-weight:400}h2{font-size:28px}h2,h3{font-weight:600}h3{font-size:20px}.row>*>h2:first-child,.row>*>h3:first-child{margin-top:0}.text-medium{color:#999}label a,p a{color:#1f7aff;position:relative;transition:color .2s}label a:focus,label a:hover,p a:focus,p a:hover{color:#004bb8}label a:after,p a:after{background:#1f7aff;bottom:-1px;content:" ";display:block;height:1px;left:0;position:absolute;transition:width .2s;width:0}label a:focus:after,label a:hover:after,p a:focus:after,p a:hover:after{width:100%}.emoji{display:inline-block;font-size:inherit;height:20px;line-height:normal;margin:-4px 2px -2px;vertical-align:middle;width:20px}img.emoji{width:auto}.hero{background:#181824;color:#fff;height:240px;overflow:hidden;position:relative;text-align:center}.hero h1{color:#fff;margin:0 0 10px}.hero .container{height:100%}.hero-title{bottom:32px;position:absolute;width:100%}.hero-title .icon{display:block;margin:0 auto}.hero-title svg{fill:#fff}.hero-shadow{background:radial-gradient(ellipse farthest-side at bottom center,#000,rgba(0,0,0,.5) 40%,transparent 60%);bottom:0;height:330px;left:50%;margin-left:-600px;opacity:.5;position:absolute;width:1200px}.hero.slanted{-webkit-clip-path:polygon(0 0,100% 0,100% calc(100% - 50px),0 100%);clip-path:polygon(0 0,100% 0,100% calc(100% - 50px),0 100%)}.hero.slanted .hero-title{bottom:48px}@media (max-width:720px){.hero.slanted{-webkit-clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),0 100%);clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),0 100%)}.hero.slanted .hero-title{bottom:32px}}.hero+.container,.hero+x-tabs+*{margin-top:60px}h1.standalone{font-size:3em;font-weight:100;margin:2.2em 0 1.8em;text-align:center}.global-footer{border-top:1px solid #ccc;color:#aaa;font-size:14px;margin:50px 0 60px;padding-top:8px;white-space:nowrap}.global-footer:after,.global-footer:before{clear:both;content:" ";display:table}.footer-left{float:left}.footer-right{float:right}.global-footer .dot{display:inline-block;margin:0 10px}.global-footer a{position:relative;transition:color .2s}.global-footer a:focus,.global-footer a:hover{color:#333}.dark .global-footer a:focus,.dark .global-footer a:hover{color:#fff}.global-footer a:after{background:#ccc;bottom:-3px;content:" ";display:block;height:1px;left:0;position:absolute;transition:width .2s;width:0}.not-mobile .global-footer a:focus:after,.not-mobile .global-footer a:hover:after{width:100%}.global-footer .footer-social{display:inline-block;margin:-10px 0 -13px -6px;padding:10px 6px}.global-footer .footer-social:after{display:none}.global-footer .footer-social svg{display:block;fill:currentColor}.global-footer .footer-social+.dot{margin-left:2px}@media (max-width:560px){.global-footer .footer-social{display:none}.global-footer{font-size:16px;margin-bottom:30px}.footer-right,.global-footer a{display:block;padding:2px 0}.global-footer .dot{display:none}}.alert{background:rgba(255,148,31,.4);border-radius:4px;margin-bottom:2em;padding:12px 44px 12px 20px;position:relative}.alert.fail{background:rgba(179,4,105,.4)}.alert.success{background:rgba(49,179,4,.4)}.alert p:last-child{margin:0}.alert .close{cursor:pointer;font-size:30px;font-weight:700;opacity:.6;padding:0 13px;position:absolute;right:0;top:0}.alert .close:focus,.alert .close:hover{opacity:1}.warning{background:#242436 url(/images/tiles-1.png);background-size:240px 240px;bottom:0;display:block;left:0;position:fixed;right:0;top:0;z-index:900}.warning-body{left:50%;max-width:calc(100% - 48px);position:absolute;top:50%;transform:translate(-50%,-50%)}.warning-body .icon{display:block;margin:0 auto 20px}.warning-body p{background:#b30469;border-radius:4px;color:#fff;padding:8px 16px;text-align:center}.warning-body a:hover{color:#5298ff}.cookie-warning,.feedback-banner{background:#9a035a;border-radius:4px;bottom:10px;box-shadow:0 3px 6px rgba(0,0,0,.3);box-sizing:border-box;color:#fff;left:10px;line-height:1.4;max-width:calc(100vw - 20px);padding:10px 16px 12px;position:fixed;z-index:800}.cookie-warning h2,.feedback-banner h2{color:hsla(0,0%,100%,.8);font-size:24px;font-weight:100;margin:0 0 6px}.cookie-warning p,.feedback-banner p{margin-bottom:12px}.cookie-warning .btn,.feedback-banner .btn{color:#9a035a}.cookie-warning .close,.feedback-banner .close{cursor:pointer;opacity:.6;padding:12px;position:absolute;right:2px;top:2px;transition:opacity .2s}.cookie-warning .close:hover,.feedback-banner .close:hover{opacity:1}.cookie-warning .icon,.feedback-banner .icon{display:block}header{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;background:#181824;color:#fff;height:44px;position:fixed;top:0;user-select:none;width:100%;z-index:400}header #logo,header .nav-link{display:block;font-size:18px;line-height:44px}header #logo{float:left;margin-right:-12px;padding:4px 0 4px 16px}header #logo img,header #logo svg{float:left}@media (max-width:355px){header #logo .icon:last-child{display:none}}header #logo-module{color:hsla(0,0%,100%,.6);float:left;font-size:17px;line-height:36px;margin-left:6px}header nav{float:right}header .nav-item{float:left;position:relative}header .nav-link{cursor:pointer;opacity:.8;padding:0 18px;transition:opacity .2s,background .2s}header .nav-link:focus,header .nav-link:hover{background:#363644;opacity:1}header .nav-link .icon{fill:#fff;margin:0 8px -8px -6px}header .nav-item.open .nav-link{background:#363644;opacity:1}header .nav-user-icon{border-radius:100%;float:left;margin:8px 8px 0 -4px;width:28px}header .nav-item .dropdown-body{position:absolute;right:0;top:44px}header .nav-dropdown-item{background:rgba(24,24,36,.94);box-sizing:border-box;color:#fff;font-size:16px;margin-top:1px}header a.nav-dropdown-item{color:hsla(0,0%,100%,.6);display:block;line-height:36px;padding:0 20px;transition:color .2s;white-space:nowrap}header a.nav-dropdown-item:focus,header a.nav-dropdown-item:hover{color:#fff}header a.nav-dropdown-item .icon{fill:#fff;margin:0 8px -6px -8px;opacity:.6;transition:opacity .2s}header a.nav-dropdown-item:hover .icon{opacity:1}@media (max-width:600px){header .nav-link{padding:1px 8px 3px}header .nav-link .icon{display:block;height:28px;margin:0 auto;width:28px}header .nav-link img{height:26px;margin:2px auto;width:26px}header .nav-text{display:block;font-size:10px;line-height:12px;text-align:center}}@media (max-width:240px){header nav{display:none}}x-modal#login{padding:24px 16px 12px;width:420px}x-modal#login .btn-row.text-center,x-modal#login h2{text-align:center}x-modal#login .hr{background:#ccc;height:1px;margin:1em 8px;position:relative}x-modal#login .hr:after{background:#fff;color:#aaa;content:"OR";display:block;font-size:14px;left:50%;line-height:1;margin:-7px 0 0 -20px;position:absolute;text-align:center;width:40px}button,form,input,select,textarea{border:none;margin:0;padding:0}button,input,select,textarea{background:transparent;display:inline-block;font-size:inherit;outline:none}input[type=date],input[type=email],input[type=password],input[type=text],textarea{cursor:text}form.form-large{margin:0 auto;max-width:600px}.form-row{display:flex;flex-direction:row;flex-wrap:wrap}.form-row .form-field{flex-grow:1;width:180px}.form-large p{margin:0 8px 16px}.form-large .btn{margin:12px 8px}.form-field{display:block;padding:8px;position:relative}.form-field input,.form-field select,.form-field textarea{-moz-appearance:none;-webkit-appearance:none;appearance:none;background:#f6f6f6 no-repeat top 10px right 10px/24px 24px;border:1px solid rgba(0,0,0,.1);border-radius:4px;box-sizing:border-box;color:#000;display:block;line-height:1.4em;padding:18px 16px 4px;transition:border .2s,background .2s;width:100%}.form-field input:active,.form-field input:focus,.form-field input:hover,.form-field select:active,.form-field select:focus,.form-field select:hover,.form-field textarea:active,.form-field textarea:focus,.form-field textarea:hover{background-color:#eee}.form-field input:active,.form-field input:focus,.form-field select:active,.form-field select:focus,.form-field textarea:active,.form-field textarea:focus{border-color:#1f7aff}.form-field input:active+.placeholder,.form-field input:focus+.placeholder,.form-field select:active+.placeholder,.form-field select:focus+.placeholder,.form-field textarea:active+.placeholder,.form-field textarea:focus+.placeholder{color:#1f7aff}.form-field input[disabled],.form-field select[disabled],.form-field textarea[disabled]{cursor:default!important;opacity:.5;pointer-events:none}.form-field input::-ms-input-placeholder{opacity:0}.form-field input::placeholder{opacity:0}.form-field input:placeholder-shown{padding:11px 16px}.form-field input:placeholder-shown+.placeholder{transform:none}.form-field input.dirty:not(:focus){padding-right:36px}.form-field input.dirty:not(:focus):valid{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 12.1l1.7-1.6a33.3 33.3 0 0 1 5.5 3.3A49.6 49.6 0 0 1 21.4 3.4l.6 1.2c-4.3 3.8-7.4 7.9-11.9 16A105.8 105.8 0 0 0 2 12.1z' fill='%2331b304'/%3E%3C/svg%3E")}.form-field input.dirty:not(:focus):invalid{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13.7 4.2L22.3 19a2 2 0 0 1-1.8 3h-17a2 2 0 0 1-1.8-3l8.6-14.8a2 2 0 0 1 3.4 0z' fill='%23b30469'/%3E%3Cpath d='M12 16.6a1.6 1.6 0 0 1 1.6 1.7 1.6 1.6 0 1 1-3.2 0 1.6 1.6 0 0 1 1.6-1.7zm-1.3-5.2V9h2.8v2.4l-.4 4.4h-2z' fill='%23fff'/%3E%3C/svg%3E");border-color:#b30469}.form-field textarea{height:auto;resize:vertical}.form-field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18 7l2 2-8 8-8-8 2-2 6 6z' fill='%234d4d4d'/%3E%3C/svg%3E");padding-right:36px}.form-field .placeholder{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;color:#aaa;left:24px;line-height:1.4em;pointer-events:none;position:absolute;top:19px;transform:translateY(-7px) scale(.7);transform-origin:top left;transition:transform .2s,color .2s;user-select:none}.form-checkbox{cursor:pointer;display:block;margin:16px 8px;min-height:28px;padding-left:40px;position:relative}.form-checkbox input{left:5px;opacity:0;position:absolute;top:7px}.form-checkbox .control{background:#f6f6f6;border:1px solid rgba(0,0,0,.1);border-radius:4px;height:22px;left:0;position:absolute;top:2px;transition:border .2s,background .2s;width:22px}.form-checkbox .control:after{background:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 12.1l1.7-1.6a33.3 33.3 0 0 1 5.5 3.3A49.6 49.6 0 0 1 21.4 3.4l.6 1.2c-4.3 3.8-7.4 7.9-11.9 16A105.8 105.8 0 0 0 2 12.1z' fill='%23fff'/%3E%3C/svg%3E");content:" ";display:block;height:20px;left:1px;position:absolute;top:1px;transform:scale(0);transition:transform .4s cubic-bezier(.33,1.9,.52,.7);width:20px}.form-checkbox:hover .control,.form-checkbox input:focus+.control{background:#eee;border-color:#1f7aff}.form-checkbox input:checked+.control{background:#1f7aff}.form-checkbox input:checked+.control:after{transform:none}.form-checkbox:hover input:checked+.control,.form-checkbox input:focus:checked+.control{border-color:#003685}.btn{-moz-appearance:none;-webkit-appearance:none;appearance:none;background:#1f7aff;background-color:#181824;border:none;border-radius:6px;border-radius:3px;box-shadow:0 2px 6px rgba(0,0,0,.15);box-shadow:0 1px 2px rgba(0,0,0,.2);color:hsla(0,0%,100%,.95);color:#fff;cursor:pointer;display:inline-block;font-weight:600;height:2em;letter-spacing:.2px;line-height:normal;line-height:2em;min-width:100px;min-width:80px;padding:0 1.2em;text-align:center;transition:background .2s,color .2s,box-shadow .2s;transition:transform .4s cubic-bezier(.33,1.9,.52,.7),background .2s,color .2s,box-shadow .2s,opacity .2s;width:auto}.btn.on,.btn:focus,.btn:hover{box-shadow:0 4px 12px rgba(0,0,0,.25);color:#fff;z-index:10}.btn.disabled,.btn[disabled]{box-shadow:none;cursor:default;pointer-events:none}.btn:hover{background:#4892ff}.btn:active{transform:scale(.9);transition:transform .2s,background .2s,color .2s,box-shadow .2s}.btn:active,.btn:focus,.btn:hover{background-color:#373752}.btn.disabled,.btn[disabled]{background-color:#ddd!important;color:#999!important}.btn .icon{fill:currentColor;margin:0 6px -6px 0;opacity:.95;transition:opacity .2s}.btn:active .icon,.btn:focus .icon,.btn:hover .icon{opacity:1}.btn .arrow{margin:0 -5px -3px 11px}.btn-red{background-color:#b30469}.btn-red:active,.btn-red:focus,.btn-red:hover{background-color:#db0580}.btn-blue{background-color:#1f7aff}.btn-blue:active,.btn-blue:focus,.btn-blue:hover{background-color:#4892ff}.btn-green{background-color:#31b304}.btn-green:active,.btn-green:focus,.btn-green:hover{background-color:#3cdb05}.btn-yellow{background-color:#ff941f}.btn-yellow:active,.btn-yellow:focus,.btn-yellow:hover{background-color:#ffa748}.btn-white{background-color:#fff;color:#363644}.btn-white:active,.btn-white:focus,.btn-white:hover{background-color:hsla(0,0%,100%,.8);color:#181824}.btn-small{height:1.6em;line-height:1.6em;padding:0 .8em}.btn-large{font-size:22px;height:44px;line-height:44px;padding:0 20px}.btn-large .icon{margin-right:10px}.btn-large .arrow{margin-bottom:-2px}.btn-row{margin:-10px}.btn-row .btn{margin:10px}.btn-light{background:#606072;box-shadow:none!important}.btn-light:focus,.btn-light:hover{background-color:#3d3d48}.btn.facebook{background:#3b5998}.btn.facebook:focus,.btn.facebook:hover{background:#4c70ba}.btn.twitter{background:#00b6f1}.btn.twitter:focus,.btn.twitter:hover{background:#25caff}.btn.gplus{background:#df4a32}.btn.gplus:focus,.btn.gplus:hover{background:#e6715e}.btn.youtube{background:red}.btn.youtube:focus,.btn.youtube:hover{background:#f33}.btn.instagram{background:#bc2a8d}.btn.instagram:focus,.btn.instagram:hover{background:#d544a6}.btn.pinterest{background:#cb2027}.btn.pinterest:focus,.btn.pinterest:hover{background:#e03e44}.btn.linkedin{background:#007bb6}.btn.linkedin:focus,.btn.linkedin:hover{background:#009de9}.btn.tumblr{background:#35465d}.btn.tumblr:focus,.btn.tumblr:hover{background:#485e7d}.btn.whatsapp{background:#25d366}.btn.whatsapp:focus,.btn.whatsapp:hover{background:#4be083}.btn.reddit{background:#ff5700}.btn.reddit:focus,.btn.reddit:hover{background:#ff7933}.btn.google{background:#fff;border:1px solid rgba(0,0,0,.3);color:#000}.btn.google:focus,.btn.google:hover{background:#eee}.select-row{color:#fff;display:flex}.select-row>*{background:#363644;border:none;border-radius:0;box-sizing:border-box;cursor:pointer;flex-grow:1;height:2em;line-height:1.4em;margin-right:1px;opacity:.5;padding:.3em .6em;text-align:center;transition:opacity .2s;width:20px}.select-row>:first-child{border-radius:4px 0 0 4px}.select-row>:last-child{border-radius:0 4px 4px 0}.select-row>:focus,.select-row>:hover{opacity:.7}.select-row>.selected{opacity:1}.select-row>input{-webkit-appearance:none;padding:.3em 0}.select-row ::-ms-input-placeholder{color:inherit!important;opacity:1!important}.select-row ::placeholder{color:inherit!important;opacity:1!important}.select-row :focus::-ms-input-placeholder{opacity:0!important}.select-row :focus::placeholder{opacity:0!important}h1{background:no-repeat 50%;background-size:cover;color:transparent;font-size:0;height:320px;margin:0 auto 60px;max-width:1020px}@media (max-width:780px){h1{height:280px;margin-bottom:50px}}@media (max-width:680px){h1{height:240px;margin-bottom:45px}}@media (max-width:585px){h1{height:200px;margin-bottom:40px}}@media (max-width:480px){h1{height:160px;margin-bottom:35px}}@media (max-width:380px){h1{height:120px;margin-bottom:30px}}.tBody{margin:0 auto 120px;max-width:calc(100% - 40px);width:760px}article{font-size:17px;line-height:1.6}@media screen and (max-width:560px){article{font-size:16px}}@media screen and (max-width:480px){article{font-size:15px}}.caption{color:#aaa;font-size:.8em;margin:0 0 .6em;text-align:left;vertical-align:top}.todo,p.coming{background:#c00;border-radius:5px;color:#fff;padding:8px 14px 10px}p.coming{margin-top:40px}.is-mobile .onlyDesktop,.not-mobile .onlyMobile{display:none!important}.lblue{color:#006dd9}.code{color:#333;font-family:Courier New,Courier,monospace}.center,.centre{text-align:center!important}.right{text-align:right!important}.overline{border-top:1px solid #333}.clear{clear:both}.light{color:#aaa}blockquote{margin:1em 40px}.lhuge{float:left;width:71%}.lwide{float:left;width:64%}.llarg{float:left;width:56%}.lhalf{float:left;width:48%}.lsmal{float:left;width:40%}.lthin{float:left;width:32%}.ltiny{float:left;width:25%}.rhuge{float:right;width:71%}.rwide{float:right;width:64%}.rlarg{float:right;width:56%}.rhalf{float:right;width:48%}.rsmal{float:right;width:40%}.rthin{float:right;width:32%}.rtiny{float:right;width:25%}.lhalf:after,.lhuge:after,.lthin:after,.ltiny:after,.lwide:after{clear:left}.rhalf:after,.rhuge:after,.rthin:after,.rtiny:after,.rwide:after{clear:right}.lbox,.lfloat{float:left;margin:.3em 1.8em 1em 0}.lbox,.lfloat,.rbox,.rfloat{max-width:50%;position:relative;width:auto}.rbox,.rfloat{float:right;margin:.3em 0 1em 1.8em}.lbox .caption,.rbox .caption{margin:.6em 0 0}.lfloat,.rfloat{margin-bottom:0;margin-top:0}@media screen and (max-width:500px){.lbox,.lfloat,.rbox,.rfloat{float:none;margin:0 0 1em;max-width:none;width:100%}.lbox>img,.rbox>img{margin:0 auto}.lbox.AnimationBox,.rbox.AnimationBox{margin:0 auto 1em;max-width:100%}.lbox,.lbox p,.rbox,.rbox p{text-align:center}.lhalf,.rhalf{float:none;width:100%}}.boxTabLink>img,.fullw,.lbox>img,.lfloat>img,.rbox>img,.rfloat>img,.tBody>img,p>i>img,p>img{height:auto;max-width:100%}article table{border:none;border-collapse:collapse;border-spacing:0;margin:1.2em auto;text-align:center!important}.tableSmall{margin:1em auto}.tableFixed{table-layout:fixed;width:95%}table td{border:none;padding:.6em;text-align:center;vertical-align:middle}.tableSmall td{padding:.1em .2em 0}article table h3,article table p{margin:0;padding:0;text-align:center!important}article table img{height:auto;max-width:95%}article table .caption{text-align:center!important}article table .td_caption_small{padding-top:0!important}@media screen and (max-width:500px){table td{padding:.25em}}.ad-caption{color:#aaa;font-size:12px;font-weight:700;margin-bottom:4px;text-align:center}.ad-hide{background:#aaa;color:#fff;cursor:pointer;display:inline-block;height:12px;line-height:1;margin-left:5px;text-align:center;width:12px}.ad-hide:hover{background:#666;color:#fff!important}.ad-box{margin-bottom:50px}@media screen and (max-width:600px){.ad-box{display:none}}@media print{.ad-box{display:none}}.var{border-radius:.8126em;box-shadow:0 0 3px #00b200,inset 0 0 6px #00b200;cursor:pointer;display:inline-block;margin-bottom:-.1875em;min-width:1.0625em;padding:0 .25em .1875em;position:relative;text-align:center}.var:hover{box-shadow:0 0 3px #00b200,inset 0 0 6px #00b200,inset 0 1px 0 #00b200,inset 1px 0 0 #00b200,inset 0 -1px 0 #00b200,inset -1px 0 0 #00b200}i{font-style:inherit}.var.varSlider{cursor:ew-resize}.varSliderFrame{background-position:0 -48px;height:12px;left:50%;margin-left:-63px;padding:3px;position:absolute;top:-18px;width:120px}.varSliderBar,.varSliderFrame{background-image:url(/world/images/box.png);background-size:166px 72px;display:block}.varSliderBar{background-position:0 -66px;height:5px;max-width:100%}p.fracp{margin-top:-.625em}.frac{bottom:-.75em;display:inline-block;line-height:1;margin:-.75em .25em .75em;position:relative;vertical-align:baseline}.frac-top{border-bottom:1px solid #000;padding-bottom:.1875em}.frac-bot,.frac-top{display:block;margin:0 auto;text-align:center}.frac-bot{padding-top:.0625em}.sfrac{bottom:0;display:inline-block;height:20px;margin:0 .25em;overflow:visible;position:relative;vertical-align:-4px}.sfrac-top{border-bottom:1px solid #000}.sfrac-bot,.sfrac-top{display:block;font-size:10px;line-height:1;margin:0 auto;text-align:center}.sqrt{border-top:1px solid #000;display:inline-block;line-height:1.2;margin-left:1px;padding:0 2px}.brac{bottom:-.15em;font-size:40px;font-weight:100;margin:-.45em 0 0}.bin,.brac{display:inline-block;position:relative;vertical-align:baseline}.bin{bottom:-.5em;line-height:1.2;margin:-.5em 2px 0}.bin-bot,.bin-top{display:block;text-align:center}.sbrac{bottom:-.15em;font-size:2em;font-weight:100;margin:-.2em 0 0}.sbin,.sbrac{display:inline-block;position:relative;vertical-align:baseline}.sbin{bottom:-.4em;font-size:.8em;line-height:1.2;margin:-.2em 2px 0}.sbin-bot,.sbin-top{display:block;text-align:center}.box{clear:both;margin:2.5em 0 2.4em}.box,.frame{position:relative}.frame{background:#f4f4f4;border:1px solid #aaa;box-shadow:0 1px 1px rgba(0,0,0,.2);box-sizing:border-box}.empty{border-bottom:1px solid #aaa}.empty,.emptyCaption{border-top:1px solid #aaa}.boxTextWrap{padding:25px 15px 5px}.framePTextWrap{padding:10px 15px 5px}.frameTextWrap{padding:15px}.boxTabBar .boxTabLink,.boxTitle{background-image:linear-gradient(180deg,#f8f8f8 0,#e6e6e6);border:1px solid #aaa;box-sizing:border-box;font-size:15px;font-weight:600;height:25px;letter-spacing:.02em;overflow:hidden;text-align:center;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.boxTabBar,.boxTitle{box-shadow:0 1px 1px rgba(0,0,0,.1);left:20%;position:absolute;top:-13px;width:60%;z-index:100}@media screen and (max-width:720px){.boxTabBar{left:10%;width:80%}}@media screen and (max-width:540px){.boxTitle{left:10%;width:80%}}.boxTabBar .boxTabLink{border-right:none;float:left;width:33.33%}.boxTabBarVar{left:0;text-align:center;width:100%}.boxTabBarVar .boxTabLink{border-right:none;display:inline-block;float:none;padding:0 12px;width:auto}.boxTabBarWider{left:10%;width:80%}.boxTabBarWidest{left:3%;width:94%}.boxTabBar50 .boxTabLink{width:50%}.boxTabBar25 .boxTabLink{width:25%}.boxTabBar20 .boxTabLink{width:20%}.boxTabBar16 .boxTabLink{width:16.66666%}.boxTabBar14 .boxTabLink{width:14.28571%}.boxTabBar .boxTabLink:last-of-type{border-right:1px solid #aaa}.boxTabBar .boxTabLink:hover{background:#ccc;background-image:linear-gradient(180deg,#ededed 0,#ccc)}.boxTabBar .boxTabLink.on{background:#a8a8b7;background-image:linear-gradient(180deg,#dbdbea 0,#a8a8b7);border-color:#757584}.boxTabBar .boxTabLink.on+.boxTabLink{border-left-color:#757584}.boxTabBar .boxTabLink.on:last-of-type{border-color:#757584}.boxTabBar .boxTabLink:not(.on){cursor:pointer}.animateHeight{transition:height .5s}.tabbed .boxWrap{transition:opacity .5s}.tabbed .boxWrap.on{opacity:1}.tabbed .boxWrap:not(.on){display:none;opacity:0}.changing .boxWrap,.changing .boxWrap.on,.changing .boxWrap:not(.on){display:block;position:absolute;top:0;width:100%}.boxCaption{border-top:1px solid #aaa;font-size:.9em;padding:10px 15px 5px}.extra{border-bottom:none;box-shadow:none}.extra.on{border-bottom:1px solid #aaa;box-shadow:0 1px 1px rgba(0,0,0,.2)}.extra .boxTitle{cursor:pointer}.extra .boxWrap{height:0;overflow:hidden}.boxOpen{border-left:1px solid #aaa;cursor:pointer;height:21px;position:absolute;right:0;top:0;width:21px}.boxOpen .boxIcon{background-image:url(/world/images/box.png);background-position:-48px -21px;background-size:166px 72px;height:21px;opacity:.3;width:21px}.boxTitle:hover .boxIcon{opacity:.5}.extra.on .boxIcon{background-position:-69px -21px}.box video{display:block;height:auto;width:100%}.box .videowrapper{border-bottom:1px solid #aaa;height:0;padding-bottom:56.25%;padding-top:25px;position:relative}.box .videowrapper iframe{height:100%;left:0;position:absolute;top:0;width:100%}.boxArrowBar{height:130px;padding-bottom:10px;position:relative}.boxArrowBar .boxTabLink{height:130px;position:absolute;text-align:center;width:22%}.boxArrowBar .boxTabLink:first-of-type{left:0;top:0}.boxArrowBar .boxTabLink:nth-of-type(2){left:26%;top:0}.boxArrowBar .boxTabLink:nth-of-type(3){left:52%;top:0}.boxArrowBar .boxTabLink:nth-of-type(4){left:78%;top:0}.boxArrowBar .boxTabLink:not(.on){cursor:pointer}.boxArrowBar .boxTabLink .tabDown,.boxArrowBar .boxTabLink .tabUp{background-image:url(/world/images/arrowDown.png);background-size:100% 100%;height:100%;opacity:0;position:absolute;top:0;transform:translateY(-20px);transition:transform .3s,opacity .3s;width:100%}.notMobile .boxArrowBar .boxTabLink:hover .tabDown{opacity:.4;transform:translateY(-10px)}.boxArrowBar .boxTabLink.on .tabDown,.notMobile .boxArrowBar .boxTabLink.on:hover .tabDown{opacity:1;transform:translate(0)}.boxArrowBar .boxTabLink .tabUp{background-image:url(/world/images/arrowUp.png);transform:translateY(5px)}.notMobile .boxArrowBar .boxTabLink:hover .tabUp{opacity:.4;transform:translateY(-5px)}.boxArrowBar .boxTabLink.on .tabUp,.notMobile .boxArrowBar .boxTabLink.on:hover .tabUp{opacity:1;transform:translateY(-15px)}.boxArrowColumn{height:auto;margin:0;padding:0;position:relative;width:auto}.boxArrowColumn .boxTabLink{height:auto;margin:.3em .3em .3em 2em;padding:.4em 2em .4em 0;position:relative;text-align:left;width:auto}.boxArrowColumn .boxTabLink:not(.on){cursor:pointer}.boxArrowColumn .boxTabLink .tabRight{background:url(/world/images/arrowRight.png) no-repeat 100% 0;background-size:contain;height:100%;opacity:0;position:absolute;top:0;transform:translate(-20px);transition:transform .3s,opacity .3s;width:100%}.notMobile .boxArrowColumn .boxTabLink:hover .tabRight{opacity:.4;transform:translate(-10px)}.boxArrowColumn .boxTabLink.on .tabRight,.notMobile .boxArrowColumn .boxTabLink.on:hover .tabRight{opacity:1;transform:translate(0)}.galleryLarge,.gallerySmall,.galleryTriple{-webkit-backface-visibility:hidden;backface-visibility:hidden;overflow:hidden;position:relative;width:100%;z-index:1}.gallerySmall,.galleryTriple{margin-top:1em;padding-bottom:28px;padding-top:1.5em}.GalWrap{-webkit-backface-visibility:hidden;backface-visibility:hidden;position:relative;transform:translateZ(0);transition:transform 0s;width:100%}.galleryLarge .GalWrap{background:#222}.GalSlide{-webkit-backface-visibility:hidden;backface-visibility:hidden;float:left;height:100%;overflow:hidden;transform:translateZ(0);width:100%}.gallerySmall .GalSlide,.galleryTriple .GalSlide{box-sizing:border-box;padding:0 1.25em;width:50%}.galleryTriple .GalSlide{padding:0 1em;width:33.33%}.galleryLarge img,.gallerySmall img,.galleryTriple img{display:block;height:auto;margin:0 auto;max-width:100%}.gallerySmall p.caption,.galleryTriple p.caption{margin:.8em 0 0;text-align:center}.GalDots{bottom:6px;position:absolute;text-align:center;width:100%}.gallerySmall .GalDots,.galleryTriple .GalDots{bottom:0;line-height:1}.GalDots .swiper-pagination-switch{background:#fff;border-radius:3px;display:inline-block;height:5px;margin:4px;opacity:.4;transition:opacity .3s;width:5px}.galleryLarge .GalDots .swiper-pagination-switch{-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border:1px solid rgba(0,0,0,.5);margin:3px}.gallerySmall .GalDots .swiper-pagination-switch,.galleryTriple .GalDots .swiper-pagination-switch{background:#000;opacity:.15}.GalDots .swiper-visible-switch,.galleryLarge .GalDots .swiper-active-switch{opacity:1}.gallerySmall .GalDots .swiper-active-switch,.gallerySmall .GalDots .swiper-visible-switch,.galleryTriple .GalDots .swiper-active-switch,.galleryTriple .GalDots .swiper-visible-switch{opacity:.6}.GalLeft,.GalRight{background-image:url(/world/images/box.png);background-position:0 -24px;background-size:166px 72px;cursor:pointer;height:24px;left:10px;margin-top:-12px;opacity:0;position:absolute;top:50%;transition:opacity .3s;width:24px}.gallerySmall .GalLeft,.gallerySmall .GalRight,.galleryTriple .GalLeft,.galleryTriple .GalRight{background-position:0 0;bottom:0;left:20px;opacity:.2;top:auto}.GalRight{background-position:-24px -24px;left:auto;right:10px}.gallerySmall .GalRight,.galleryTriple .GalRight{background-position:-24px 0;left:auto;right:20px}.galleryLarge:hover .GalLeft,.galleryLarge:hover .GalRight{opacity:.7}.galleryLarge .GalLeft:hover,.galleryLarge .GalRight:hover{opacity:1}.gallerySmall .GalLeft:hover,.gallerySmall .GalRight:hover,.galleryTriple .GalLeft:hover,.galleryTriple .GalRight:hover{opacity:.6}.isMobile .GalLeft,.isMobile .GalRight{display:none}.GalLeftGrad,.GalRightGrad{background-image:url(/world/images/box.png);background-position:-126px 0;background-size:166px 100%;height:100%;left:0;position:absolute;top:0;width:10px}.GalRightGrad{background-position:-156px 0;left:auto;right:0}.AnimationBox{cursor:pointer;overflow:hidden;position:relative}.AnimationBar{background:rgba(0,0,0,.8) url(/world/images/play.png) bottom no-repeat;background-size:50px 100px;bottom:0;height:50px;position:absolute;transform:translate(0);transition:transform .4s;width:100%}.AnimationBar.replay{background-position:top}.AnimationBar.off,.notMobile .AnimationBar:hover.off{transform:translateY(50px)}.dragdealer,.ui-slider{background-color:#ccc;border-radius:4px;box-shadow:inset 0 0 2px #666;height:6px;margin:8px auto;max-width:400px;position:relative;width:90%}.handle{background:#eee linear-gradient(180deg,#fdfdfd 0,#ddd);border:1px solid #aaa;border-radius:10px;cursor:pointer;height:16px;top:-6px!important;width:16px}.handle,a.ui-slider-handle{display:block;position:absolute}a.ui-slider-handle{cursor:default;height:18px;margin-left:-22px;padding:13px;top:-19px!important;width:18px}a.ui-slider-handle div{background:#eee linear-gradient(180deg,#fdfdfd 0,#ddd);border:1px solid #aaa;border-radius:10px;cursor:pointer;height:16px;width:16px}a.ibox{color:#000;display:block;font-size:14px;height:3.8em;line-height:1.1;overflow:hidden;padding:.8em 1em 0 6.6em;position:relative;text-decoration:none;transition:background .2s}.ibox img{border-right:1px solid #aaa;height:3.8em;left:-1px;position:absolute;top:-1px;width:5.7em}.ibox .caption{color:#888;font-size:.8em}a.ibox:hover{background:#ddd;color:#000}article .td_bottom{border-bottom:1px solid #666}article .td_right{border-right:1px solid #666}article .td_bottom.tdLight{border-bottom:1px solid #ccc}article .td_right.tdLight{border-right:1px solid #ccc}p.thereom{background:#3cf;display:block;margin:1.5em 2em;padding:.3em!important}.preload{height:1px;left:-1px;opacity:0;position:absolute;top:-1px;width:1px}.slideshowCaption{min-height:46px;padding-bottom:0}.slideshowLeft,.slideshowRight{background-image:url(/world/images/box.png);background-position:0 0;background-size:166px 72px;cursor:pointer;height:24px;left:10px;opacity:.2;position:absolute;top:10px;transition:opacity .3s;width:24px}.slideshowRight{background-position:-24px 0;left:auto;right:10px}.slideshowLeft:hover,.slideshowRight:hover{opacity:.4}.slideshowLeft.off,.slideshowRight.off{cursor:default;opacity:0}.slideshowText{margin:0 32px 10px;position:relative}.slideshowText p{-webkit-font-smoothing:subpixel-antialiased!important;display:none;margin:0;transition:opacity .5s}.slideshowText p.on{display:block;opacity:1}.slideshowText p:not(.on){display:none;opacity:0}.slideshowText.changing p,.slideshowText.changing p.on,.slideshowText.changing p:not(.on){display:block;position:absolute;top:0;width:100%}.slideshowText.animateHeight{transition:height .3s}.flexBoxWrap{display:flex;justify-content:space-between;margin:1.5em auto;width:90%}.flexBox1{font-size:.9em;padding:8px;width:31%}.flexBox1 img{display:block;height:auto;margin:0 auto .5em;max-width:100%}.flexBox1 p{margin-bottom:0;text-align:center}.spacer{display:inline-block;width:50px}.jxgbox{-ms-touch-action:none;background-color:#fff;overflow:hidden;position:relative}.JXGtext{background-color:transparent;margin:0;padding:0}.JXGinfobox{border:1px #000}.JXGimage{opacity:1}.JXGimageHighlight{opacity:.6}button,input,select,textarea{-moz-appearance:none;-webkit-appearance:none;appearance:none;background-color:#fff;border:1px solid #aaa;border-radius:3px;box-sizing:border-box;display:block;font-family:inherit;font-size:1em;line-height:1.2;margin:0;max-width:100%;padding:3px;vertical-align:baseline}.button,button,input.button,input[type=button],input[type=reset],input[type=submit]{background:#1f7aff;border:none;border-radius:3px;box-shadow:0 1px 2px rgba(0,0,0,.2);color:#fff;cursor:pointer;display:inline-block;line-height:normal;min-width:100px;padding:3px 20px;text-align:center;width:auto}.button:hover,button:hover,input.button:hover,input[type=button]:hover,input[type=reset]:hover,input[type=submit]:hover{background:#4892ff}select{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAMBAMAAACD9cA8AAAAA3NCSVQICAjb4U/gAAAAG1BMVEWqqqr6+vqvr6/U1NTMzMzv7++6urr////f39/QyGQKAAAACXBIWXMAAAsSAAALEgHS3X78AAAAFHRFWHRDcmVhdGlvbiBUaW1lADkvOS8xMntM73wAAAAcdEVYdFNvZnR3YXJlAEFkb2JlIEZpcmV3b3JrcyBDUzbovLKMAAAAVklEQVQImWNIYIACtnIgYBCCcRXB3FIFCI8pHMwtb4BwOcoh3GII1xzKLXcA8VjKYVwxEDcRzi0EGsYkDueWBzEwqJYjuBUMDO1I3HID5nJkbok7jAsA56UxRwgcsLsAAAAASUVORK5CYII=);background-position:100%;background-repeat:no-repeat;background-size:14px 6px;cursor:pointer;padding-right:20px}select:focus,select:hover{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAMBAMAAACD9cA8AAAAA3NCSVQICAjb4U/gAAAAG1BMVEUAa+HP4/lmqu4vhuf///+fx/QPdOPv9v1/tfAATD4YAAAACXBIWXMAAAsSAAALEgHS3X78AAAAFHRFWHRDcmVhdGlvbiBUaW1lADkvOS8xMntM73wAAAAcdEVYdFNvZnR3YXJlAEFkb2JlIEZpcmV3b3JrcyBDUzbovLKMAAAAVklEQVQImWMwYIACZhcgYCiDcdPBXMcECI9NBMx1CYBwWV0gXA8ItwXKdVEA8ZhcYNxiENccznUHGsZWAue6iDEwJLoguK4MDCFIXJcGDhdkrpMKjAsAH84fSLFym8gAAAAASUVORK5CYII=)}textarea{max-width:none;overflow:auto;resize:vertical;vertical-align:top}.PiHighlight{border:1px solid #c00;border-radius:8px;box-shadow:inset 0 0 5px #c00;color:#c00;margin:-1px 3px;padding:0 4px}#PiDigits{-webkit-overflow-scrolling:touch;box-shadow:inset 0 -1px 2px rgba(0,0,0,.2);height:240px;overflow:scroll}.PiString{display:inline;margin:0 10px 5px;padding-bottom:1px;width:70px}#PiNot{color:#c00;font-style:italic;opacity:0}#PiNot.on{opacity:1}#conics-box{background-image:url(/world/resources/Conic_Sections/cone_table.jpg);cursor:ew-resize;height:270px;margin-bottom:1.25em;max-width:760px}#conics-box,#conics-cone{background-size:100% 100%;width:100%}#conics-cone{height:100%}#conics-cone img{max-height:270px;max-width:760px}#kepler{background-image:url(/world/resources/Conic_Sections/kepler/kepler1.png);background-size:600% 300%;height:280px;width:100%}#fracPascal{margin-bottom:10px;position:relative}#fracPascal1,#fracPascal2{height:auto;top:0;width:100%}#fracPascal2{left:0;opacity:0;position:absolute;top:0;transition:opacity 1s}#fracAutoRules{margin-bottom:10px}.fracAutoRule{background-image:url(/world/resources/Fractals/auto-rules.png);cursor:pointer;float:left;height:35px;margin:0 5px 5px 0;width:52px}#fracRule2{background-position:-51px 0}#fracRule3{background-position:-102px 0}#fracRule4{background-position:-153px 0}#fracRule5{background-position:-204px 0}#fracRule6{background-position:-255px 0}#fracRule7{background-position:-306px 0}#fracRule8{background-position:-357px 0}#fracRule1.on{background-position:0 -35px}#fracRule2.on{background-position:-51px -35px}#fracRule3.on{background-position:-102px -35px}#fracRule4.on{background-position:-153px -35px}#fracRule5.on{background-position:-204px -35px}#fracRule6.on{background-position:-255px -35px}#fracRule7.on{background-position:-306px -35px}#fracRule8.on{background-position:-357px -35px}#fracAutoTable{border-collapse:collapse;margin-bottom:10px;table-layout:fixed}#fracAutoTable td{background:#fff;border:1px solid #000;height:16px;padding:0;width:16px}#fracAutoTable td.on{background:#000}#fractTargetTable{font-size:.9em;margin:0 auto 1em}#fractTargetTable td{max-width:100px;opacity:.5;padding:0 4px;text-align:center;white-space:nowrap}#fractTargetTable tr td:last-child{opacity:1}#mandelWrap{background:url(/images/loading.gif) no-repeat 50%;height:450px;overflow:hidden;position:relative;width:100%}#mandelWrap .mandelImg{background-position:50%;background-size:cover;display:none;height:100%;opacity:0;position:absolute;top:0;transform:scale3D(.0625,.0625,1);transition:transform .8s,opacity .8s;width:100%}#mandelWrap .mandelPrev,#mandelWrap .mandelPrev2{opacity:1;transform:scale3D(4,4,1)}#mandelWrap .mandelPrev{display:block}#mandelWrap .mandelOn{display:block;opacity:1;transform:scaleX(1)}#mandelWrap .mandelNext{display:block;opacity:1;transform:scale3D(.25,.25,1)}#mandelWrap .mandelNext2{display:block;opacity:0;transform:scale3D(.0625,.0625,1)}#mandelMinus,#mandelPlus{background-image:url(/world/resources/Fractals/plusminus.png);bottom:24px;cursor:pointer;height:24px;opacity:.5;position:absolute;transition:opacity .4s;width:24px}#mandelMinus:hover,#mandelPlus:hover{opacity:1}#mandelMinus{background-position:24px 0;left:30%}#mandelPlus{right:30%}#mandelScale{bottom:24px;color:#fff;position:absolute;text-align:center;text-shadow:0 1px 4px rgba(0,0,0,.9);width:100%}#fracDimBar .boxTabLink{transition:left 1.2s}#mandelMove{position:relative}#mandelTarget{background:url(/world/resources/Fractals/target.png) 50% no-repeat;cursor:move;height:44px;left:90.5%;margin:-22px 0 0 -22px;position:absolute;top:49.5%;width:44px}article p.creditsx{color:#999;font-size:.9em;font-weight:400;padding:0 0 .6em;text-align:left}article .rbox.creditsx{margin:0;max-width:none}#sphereTable .lblue{font-size:1.25em;margin-bottom:.1em}.LetterBox{margin:0 auto;max-width:100px}.Letter{background-image:url(/world/resources/Dimensions_and_Distortions/letters.png);background-size:1200% 1000%;max-width:100px;width:100%}#Letter1{background-position:0 0}#Letter2{background-position:0 -100%}#Letter3{background-position:0 -200%}#Letter4{background-position:0 -300%}#Letter5{background-position:0 -400%}#Letter6{background-position:0 -500%}#Letter7{background-position:0 -600%}#Letter8{background-position:0 -700%}#Letter9{background-position:0 -800%}#Letter10{background-position:0 -900%}#pascalTable td{padding:.1em}article table .seq_pasc_cell{background:#eee linear-gradient(180deg,#fff 0,#ddd);border:1px solid #aaa}.seq_tiny{bottom:3px;font-size:10px;position:relative}.selector{border:1px solid #666;border-radius:5px;cursor:pointer;display:inline-block;margin:24px auto 16px}.selector li{border-right:1px solid #666;box-shadow:1px 0 0 #fff;display:inline-block;font-size:14px;height:16px;margin:0;padding:3px 10px}.selector li:last-child{-moz-box-shadow:none;-webkit-box-shadow:none;border:none;box-shadow:none}.selector li.active,.selector li:active,.selector li:hover{background-image:url(/world/images/tabs.png);color:#fff;text-shadow:0 -1px 0 #000}.selector .sel_w.active,.selector .sel_w:active,.selector .sel_w:hover{color:#000;text-shadow:0 1px 0 #fff}.pascalWrap{margin:25px 15px 15px;padding:0;position:relative}.pascalWrap img{display:block;height:auto;width:100%}.modularImg,.pascalImg{opacity:1;position:absolute;top:0;transition:opacity .5s linear}.modularImg.off,.pascalImg.off{opacity:0}.SymBox{float:left;margin:4% 0 4% 4%;padding-bottom:44%;width:44%}.SymLarge,.SymSmall{height:200%;left:-50%;max-width:none!important;position:absolute;top:-50%;width:200%}.SymSmall{height:142.22%;left:-21.11%;top:-21.11%;width:142.22%}#RotBox1 .SymLarge{top:-40%}#Ref1b,#Ref2b,#Rot1b,#Rot1c,#Rot2b{transition:transform 2s}#Ref1b,#Ref2b{transform:scaleX(1)}#Ref1b.on,#Ref2b.on{transform:scaleX(-1)}#Rot1b,#Rot1c.on1{transform:rotate(-120deg)}#Rot1c{transform:rotate(-240deg)}#Rot1b.on1,#Rot1c.on2,#Rot2b{transform:rotate(0deg)}#Rot2b.on{transform:rotate(180deg)}#SymTrans1{background-image:url(/world/resources/Symmetry_and_Groups/symmetry/Trans1.jpg)}#SymTrans1,#SymTrans2{background-size:cover;padding-bottom:100%;position:absolute;width:100%}#SymTrans2{background-image:url(/world/resources/Symmetry_and_Groups/symmetry/Trans2.jpg)}#SymTrans1.on1,#SymTrans2.on1{background-position:-100% 0}#SymTrans1.on2,#SymTrans2.on2{background-position:-200% 0}#SymTrans1.on3,#SymTrans2.on3{background-position:-300% 0}.SymBoxWrap{line-height:1;padding-bottom:10px}#sym_clear,.sym_button{background:#fff;border:1px solid #aaa;box-sizing:border-box;cursor:pointer;display:inline-block;height:48px;margin:0 4px;padding:5px;text-align:center;width:62px}#sym_clear{padding-top:12px}#sym_clear:hover,.sym_button1.active,.sym_button1:hover,.sym_button:hover{background:#ddd;box-shadow:inset 0 1px 4px rgba(0,0,0,.3)}#sym_left img{margin:2px 0}#sym_right{float:right;margin:2px 0 8px 20px}.IsoBox{height:0;margin:4%;overflow:hidden;padding-bottom:61.8%;position:relative}.IsoImg{display:block;height:auto;max-width:none;width:100%}#Iso1,#Iso2,#Iso3,#Iso4{left:0;position:absolute;top:0}#Iso1{left:-11.11111%;top:-12.5%;width:122.22222%}#Iso2{left:-16.66667%;top:-50%;width:133.33333%}#Iso3,#Iso4{width:100%}#Iso1Slider,#Iso2Slider,#Iso3Slider,#Iso4Slider{margin:16px auto 20px}#factorials{background-image:url(/world/resources/Combinatorics/factorials.png);width:346px}#factorials,#myPermutations{display:inline-block;height:70px}#myPermutations{background-image:url(/world/resources/Combinatorics/permutations.png);width:210px}#cantor4box{background-image:url(/world/resources/Infinity/Cantor4.png);height:190px;margin:0 auto;width:180px}#cantor2box{background-image:url(/world/resources/Infinity/Cantor2.png);height:108px;margin:0 auto;max-width:100%;width:530px}#images{display:none}#Hanoi{margin:20px auto;width:100%}#HanoiGame{border-bottom:1px solid #aaa;height:190px;margin-bottom:10px;overflow:hidden;position:relative;width:100%}.HanoiMoves{background-color:#fff;border:1px solid #d90000;border-radius:2px;display:inline-block;font-weight:600;line-height:1.2;padding:3px 6px}#choc_1_wrap{margin:12px auto 0;position:relative;width:420px}.choc_box{background-image:url(/world/resources/Game_Theory/box.jpg);float:left;height:175px;margin:15px;padding:5px 0 0;width:180px}td.choc{background-image:url(/world/resources/Game_Theory/chocolates.png);height:45px;opacity:1;padding:0;transition:opacity .5s;width:45px}td.ch_1{background-position:0 0}td.ch_2{background-position:-45px 0}td.ch_3{background-position:-90px 0}td.ch_4{background-position:-135px 0}td.ch_5{background-position:-180px 0}td.ch_6{background-position:-225px 0}td.ch_7{background-position:-270px 0}td.ch_8{background-position:-315px 0}td.ch_9{background-position:-360px 0}.choc_box.on td.ch_1:hover{background-position:0 -45px}.choc_box.on td.ch_2:hover{background-position:-45px -45px}.choc_box.on td.ch_3:hover{background-position:-90px -45px}.choc_box.on td.ch_4:hover{background-position:-135px -45px}.choc_box.on td.ch_5:hover{background-position:-180px -45px}.choc_box.on td.ch_6:hover{background-position:-225px -45px}.choc_box.on td.ch_7:hover{background-position:-270px -45px}.choc_box.on td.ch_8:hover{background-position:-315px -45px}.choc_box.on td.ch_9:hover{background-position:-360px -45px}.choc_box.on td.choc{cursor:pointer}.choc_box.on td.choc.off,td.choc.off{cursor:auto;opacity:0}#chocButton{opacity:.5;transition:opacity .5s;width:200px}#chocButton.on{opacity:1}#chocButton.off{opacity:0}#GamesSlide1Wrap,#GamesSlide2Wrap{margin:0 auto;max-width:100%;position:relative}#GamesSlide1Wrap{width:670px}#GamesSlide2Wrap{width:450px}.choc_sl2{height:auto;left:0;position:absolute;top:0;transition:opacity .5s;width:100%}#NimTable{margin:0 auto 1em;max-width:100%}#NimTable td{vertical-align:bottom;width:100px}.NimCounter{background:#d00;border:2px solid #a00;border-radius:4px;cursor:pointer;height:16px;margin:1px;opacity:1;transition:opacity .3s}.NimCounter.half{opacity:.3}.NimCounter.off{cursor:default;opacity:0}#NimTable tr td:nth-child(2) .NimCounter{background:#00d;border:2px solid #00a}#NimTable tr td:nth-child(3) .NimCounter{background:#0d0;border:2px solid #0a0}#NimTable tr td:nth-child(4) .NimCounter{background:#d70;border:2px solid #a40}#NimTable tr td:nth-child(5) .NimCounter{background:#0dd;border:2px solid #0aa}#NimTable tr td:nth-child(6) .NimCounter{background:#dd0;border:2px solid #aa0}#NimTable tr td:nth-child(7) .NimCounter{background:#d0d;border:2px solid #a0a}#NimText{display:inline-block;font-family:futura-pt,Futura Std,Futura,Helvetica,sans-serif}#NimButton,#NimText{font-size:16px;margin-right:10px;padding:2px;width:150px}#NimLost,#NimWon{border-radius:10px;box-shadow:0 2px 6px rgba(0,0,0,.4);font-family:futura-pt,Futura Std,Futura,Helvetica,sans-serif;left:50%;margin-left:-180px;padding:8px;position:absolute;text-align:center;top:20px;width:340px;z-index:10}#NimWon{background:#3f3;border:1px solid #0b0}#NimLost{background:#f33;border:1px solid #b00}#NimLost.off,#NimWon.off{display:none}.prop{background:#ddd;border:1px solid #aaa;border-radius:2px;display:inline-block;line-height:1;padding:1px 4px 2px}.truthTable{table-layout:fixed}.truthTable td{padding:.1em}.truthTable tr:hover td{background:#eee}.truthTable tr:first-of-type td{border-bottom:1px solid #ccc;padding-bottom:.2em}.truthTable tr td:last-of-type{border-left:1px solid #ccc}@media only screen and (-o-min-device-pixel-ratio:1.5),only screen and (-webkit-min-device-pixel-ratio:1.5),only screen and (min--moz-device-pixel-ratio:1.5),only screen and (min-device-pixel-ratio:1.5){.Letter{background-image:url(/world/resources/Dimensions_and_Distortions/letters@2x.png)}#kepler{background-image:url(/world/resources/Conic_Sections/kepler/kepler1@2x.png)}#dual1{background-image:url(/world/resources/Polygons_and_Polyhedra/Dual/dual1-1@2x.png)}#dual2{background-image:url(/world/resources/Polygons_and_Polyhedra/Dual/dual2-1@2x.png)}#Permutations{background-image:url(/world/resources/Combinatorics/factorials@2x.png);background-size:346px 490px}#conics-box{background-image:url(/world/resources/Conic_Sections/cone_table@2x.jpg)}.d_3{background-image:url(/world/resources/Polygons_and_Polyhedra/can_3@2x.png);background-size:40px 35px}.d_4{background-image:url(/world/resources/Polygons_and_Polyhedra/can_4@2x.png);background-size:40px 40px}.d_5{background-image:url(/world/resources/Polygons_and_Polyhedra/can_5@2x.png);background-size:64px 62px}.d_6{background-image:url(/world/resources/Polygons_and_Polyhedra/can_6@2x.png);background-size:76px 68px}.d_8{background-image:url(/world/resources/Polygons_and_Polyhedra/can_8@2x.png);background-size:92px 92px}#Radioactive>div{background-image:url(/world/resources/Probability/atom1@2x.png)}#Radioactive>div.on{background-image:url(/world/resources/Probability/atom@2x.png)}#factorials{background-image:url(/world/resources/Combinatorics/factorials@2x.png);background-size:346px 490px}#myPermutations{background-image:url(/world/resources/Combinatorics/permutations@2x.png);background-size:840px 280px}.choc_box{-webkit-background-size:180px 180px;background-image:url(/world/resources/Game_Theory/box@2x.jpg);background-size:180px 180px}td.choc{-webkit-background-size:405px 90px;background-image:url(/world/resources/Game_Theory/chocolates@2x.png);background-size:405px 90px}.fracAutoRule{-webkit-background-size:409px 70px;background-image:url(/world/resources/Fractals/auto-rules@2x.png);background-size:409px 70px}#mandelMinus,#mandelPlus{-webkit-background-size:48px 24px;background-image:url(/world/resources/Fractals/plusminus@2x.png);background-size:48px 24px}#mandelTarget{-webkit-background-size:35px 35px;background-image:url(/world/resources/Fractals/target@2x.png);background-size:35px 35px}#cantor4box{background-image:url(/world/resources/Infinity/Cantor4@2x.png);background-size:2160px 190px}#cantor2box{background-image:url(/world/resources/Infinity/Cantor2@2x.png);background-size:530px 1310px}}