html{background:black;width:100%;height:100%;min-height:100%}body{margin:0;padding:0;width:100%;height:100%;overflow:hidden}.game-background,#main-background{content:"";position:fixed;width:200%;height:200%;top:-50%;left:-50%;z-index:-1;background:url(img/backgrounds/tile.png) 0 0 repeat;-webkit-transform:rotate(-13deg);transform:rotate(-13deg)}.game-background:before{position:relative;overflow:hidden;-webkit-transform:rotate(13deg);transform:rotate(13deg)}