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