body{background-color:#123}#app{-webkit-box-align:center;-webkit-box-pack:center;-webkit-transition:.25s opacity;background:-webkit-radial-gradient(rgba(127,127,127,.5),rgba(127,127,127,.5) 35%,rgba(0,0,0,.7));bottom:0;display:-webkit-box;left:0;padding:20px 20px 130px;position:fixed;right:0;top:0;z-index:10}#app canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#0f3;box-shadow:5px 5px 5px #000}