.bigimg
        {
            width: 100%;
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            display: none;
            z-index: 9999;
            border: 10px solid #fff;
        }
        .maskpic
        {
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            background-color: #000;
            opacity: 0.5;
            filter: Alpha(opacity=50);
            z-index: 98;
            transition: all 1s;
            display: none;
        }

        .imgbox:hover
        {
            cursor: zoom-in;
        }
        .maskpic:hover
        {
            cursor: zoom-out;
        }
        .maskpic > img
        {
            position: fixed;
            right: 10px;
            top: 10px;
            width: 20px;
        }
        .maskpic > img:hover
        {
            cursor: pointer;
        }