html,body,#root{
    width: 100%;
    height:100%
}
.index-loading-content{
    position: absolute;left:50%;top:50%;transform:translate(-50%,-50%)
}
.index-loading-img{
    display:block;
    width: 64px;
    height: 64px;
    /* animation: index-loading 3s infinite linear;
    -webkit-animation: index-loading 3s infinite linear;
    -moz-animation: index-loading 3s infinite linear; */
}
@keyframes index-loading{
    0%{
        transform: rotate(0deg)
    }
    25%{
        transform: rotate(-180deg)
    }
    75%{
        transform: rotate(-270deg)
    }
    100%{
        transform: rotate(-360deg)
    }
}
@-webkit-keyframes index-loading{
    0%{
        transform: rotate(0deg)
    }
    25%{
        transform: rotate(-180deg)
    }
    75%{
        transform: rotate(-270deg)
    }
    100%{
        transform: rotate(-360deg)
    }
}