.mainContentC{
    float:left;
    width:calc(100% - 345px);
    margin-left:5px;
    height:100%;
    box-sizing: border-box;
    border: 1px solid #5397F0;
    border-radius: 2px;
    display: flex;
    flex:1;
    flex-wrap: wrap; 
    justify-content:space-around;
    align-items: center;
}

.mainContentC>div{
    width:33.33%;
    height:33.33%;
    background:#000;
    box-sizing: border-box;
    border: 2px solid #033276;
    border-radius: 6px;
    position: relative;
}
.statipnIpcSelect{
    box-sizing: border-box;
    border:5px solid #1D8EC8 !important;
}

.mainContentC>div>.videoPlay{
    width:100%;
    height:100%;
}
.mainContentC>div>.videoPlay>iframe{
    width:100%;
    height:100%;
}

.mainContentC>div>.videoOpear{
    width:calc(100% - 100px);
    height:30px;
    line-height:30px;
    position: absolute;
    background:rgba(0,0,0,.5);
    bottom:0;
    padding:0 10px;
}
.mainContentC>div>.videoOpear:hover{
    cursor: pointer;
}

.mainContentC>div>.videoOpear>img{
    width:14px;
    height:14px;
    float:right;
    margin:9px;
}


.mainContentC>div>div>iframe{
    width:100%;
    height:100%;
}