.SaicDetailImg{
    float:left;
    width:100%;
    margin-top:4px;
    margin-bottom:20px;
}
.demo-gallery > ul > li {
    width: 212px !important;
    float: left;
    margin-bottom: 15px;
    margin-right: 20px;
    overflow: hidden;
    margin: 0 2px 4px 2px;
}
    .demo-gallery > ul > li a {
        border-radius: 3px;
        display: block;
        overflow: hidden;
        float: left;
        padding-bottom: 56.25%;
        position: relative;
        width: 100%;
    }
        .demo-gallery > ul > li a > img {
            -webkit-transition: -webkit-transform 0.15s ease 0s;
            -moz-transition: -moz-transform 0.15s ease 0s;
            -o-transition: -o-transform 0.15s ease 0s;
            transition: transform 0.15s ease 0s;
            -webkit-transform: scale3d(1, 1, 1);
            transform: scale3d(1, 1, 1);
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            object-fit: cover;
        }
        .demo-gallery > ul > li a > img:hover{
            transform:scale(1.2)
        }