.bottom-img-item {
            display: inline-block;
            width: 50%;
            height: 100%;
            padding: 0 10px;
            box-sizing: border-box;}

        .wraper {
            overflow: hidden;
            width: 100%;
            padding: 20px 0;
            margin-top: 50px;
            height: 270px;}

        #bottom_img_container {
            position: relative;
            white-space: nowrap;
            width: 100%;
             height: 100%;
            font-size: 0;}

        #bottom_img_container img {
            width: 100%;
             height: 100%;
            box-shadow: 0 0 10px rgba(0, 0, 0, .175);
            border-radius: 4px;}