.appmask p{text-align:center;}
.appmask .mask, .appmask .opapp, .appmask .android, .appmask .iphone{background:url(https://www.manageengine.cn/network-monitoring/../images/meapp-sprites.png);}
.w130{width:130px;}
.h130{height:130px;}
.ml34{margin-left:34px;}
.appmask .mask{width:130px;height:130px;background-position:0 -437px;}
.appmask .opapp{background-position:-279px -290px;}
.appmask .iphone{background-position:-156px -435px;width:21px;height:50px;}
.appmask .android{background-position:-196px -435px;width:21px;height:50px;}