html{height:100%;width:100%}body{height:100%;min-height:100%;position:relative;width:100%;margin:0;padding:0;background-color:#afd0f7}#back{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#afd0f7;background:url('back.jpg') no-repeat center center fixed;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover}#wrapper{position:absolute;top:50%;left:50%}#landing{position:absolute;top:-73px;left:-73px;width:146px;height:146px;background-image:url('landing2.png');background-position:0 0;background-color:transparent;background-repeat:no-repeat}@media (-webkit-min-device-pixel-ratio: 1.5), (min--moz-device-pixel-ratio: 1.5), (-o-min-device-pixel-ratio: 3/2), (min-resolution: 1.5dppx){#landing{background-image:url("landing2@2x.png");background-size:146px 146px}}