.myimg-base-box{width:50px;height:50px}.myimg-base-box .myimg-box{width:100%;height:100%;position:relative}.myimg-base-box .myimg-box:hover{cursor:pointer}.myimg-base-box .myimg-box .myimg-show{width:100%;height:100%;position:absolute;left:0;top:0;z-index:1}.myimg-base-box .myimg-box .my-img-mask{width:100%;height:100%;position:absolute;left:0;top:0;background-color:rgba(0,0,0,.5);z-index:2;pointer-events:none}