.appList{ width:100%; padding:20px 0 10px 0;}
.appList li{ float:left; margin:0 2% 10px 0; width:23.5%;position: relative;}
.appList li:nth-child(4n){ margin-right:0;}
.appList li img{width: 100%;display:block;}
.appList span{position: absolute;left: 0;bottom: 0;width: 100%;height:2em;line-height:2em;font-size:1em;color: #fff;text-align: center; display:block; overflow:hidden;}
@media screen and (max-width:600px){
	.appList span{ font-size:0.8em;height:2em;line-height:2em;}	
}