.loading-box{
    width: 500px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.loading-box >div{
    width: 174px;
    margin: 0 auto;
    text-align: center;
}
.loading-box >div span{
    display: block;
    font-size: 14px;
}
.loading-box >div img{
    animation:  zoom 1s infinite;
}
@keyframes zoom{
    0%{
        transform: translateY(0px)
    }
    50%{
        transform: translateY(-10px)
    }
    100%{
        transform: translateY(0px)
    }
}