.mask{
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 998;
    background-color: rgba(0,0,0,.2);
    display: table;
}
.mask .mask_loading{
    display:table-cell;
    text-align: center;
    vertical-align: middle;
    z-index: 999;
    color: #3673BB;
   font-size:0.14rem;
}
.mask .mask_loading img{
    display:block;
    margin:0 auto;
    animation: load 1s linear 0s infinite;
    -webkit-animation: load 1s linear 0s infinite;
}

@-webkit-keyframes load {
    0%{ transform: rotate(0deg)}
    100%{ transform: rotate(360deg)}
}
@keyframes load {
    0%{transform: rotate(0deg)
    }
    100%{transform: rotate(360deg);
    }
}