body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;margin:0;overflow:hidden;padding:0}a{color:#f0f;text-decoration:none}.credit{font-size:13px;left:.5em;position:absolute;top:.5em}.physics{-webkit-perspective:1000px;-webkit-transform-style:preserve-3d;background:-webkit-gradient(linear,left top,left bottom,from(#cecece),to(#fff));background:linear-gradient(180deg,#cecece,#fff);background-size:15px;cursor:url(/cursor.png),auto;height:100vh;overflow:hidden;perspective:1000px;position:relative;transform-style:preserve-3d;width:100vw}.physics:before{-webkit-transform:rotateX(90deg);-webkit-transform-origin:bottom center;-webkit-transform-style:preserve-3d;background-color:rgba(0,0,0,.1);background-repeat:repeat;background-size:15px;bottom:0;content:"";display:block;height:100%;left:0;pointer-events:none;position:absolute;transform:rotateX(90deg);transform-origin:bottom center;transform-style:preserve-3d;width:100%}@-webkit-keyframes rotate{0%{-webkit-transform:rotate(0deg) rotateX(0deg);transform:rotate(0deg) rotateX(0deg)}to{-webkit-transform:rotate(1turn) rotateX(1turn);transform:rotate(1turn) rotateX(1turn)}}@keyframes rotate{0%{-webkit-transform:rotate(0deg) rotateX(0deg);transform:rotate(0deg) rotateX(0deg)}to{-webkit-transform:rotate(1turn) rotateX(1turn);transform:rotate(1turn) rotateX(1turn)}}.particle{height:12px;margin-left:-3px;margin-top:-3px}.particle,.particle:before{-webkit-transform-style:preserve-3d;position:absolute;transform-style:preserve-3d;width:12px}.particle:before{-webkit-animation:rotate .2s linear infinite;animation:rotate .2s linear infinite;background-color:currentColor;content:"";display:block;height:6px;left:0;top:0}.particle--ball:before{border-radius:6px;height:6px;width:6px}