#main {
    height: 570px;
    width: 728px;
    margin: 0px auto;
    margin-top: 25px;
    }
    a {
    display: block;
    width: 364px;
    height: 285px;
    text-decoration: none;
    color: white;
    }
    #left {
    float: left;
    background: url("images/design.gif");
    width: 270px;
    height: 285px;
    margin-left: 130px;
    background-repeat: noe-repeat;
    }
    #right {
    float: right;
    background: url("images/blog.gif");
    width: 275px;
    height: 285px;
    margin-right: 140px;
    }
    #right:hover {
    background-position: right;
    }
    #left:hover {
    background-position: right;
    }