.betaVersions{background:url("/static/images/ceshi.png") no-repeat scroll 0 0 transparent;display:block;height:65px;left:210px;position:absolute;width:75px;background-position:0 0;top:0}
.developVersions{background:url("/static/images/ceshi.png") no-repeat scroll 0 -65px transparent;display:block;height:65px;left:210px;position:absolute;width:75px;top:0}
.header {position:relative}