body {

    background-color:#000;
    min-width:570px;
    min-height:500px;
    overflow:hidden;

}
#intro_div {

    height:256px;
    width:570px;
    position:absolute;
    left:0;
    right:0;
    margin-left:auto;
    margin-right:auto;
    _left:50%;
    _margin-left:-285px;
    top:100px;
    text-decoration:none;

}
a {
    outline:none;
}