html,body{margin:0;padding:0;background-color:#3285a1}canvas{margin:0 auto;min-height:100%}#turn{width:100%;height:100%;position:fixed;top:0;left:0;background-color:#fff;background-image:url(../assets/images/playportrait.png);background-repeat:no-repeat;background-position:center center;display:none}