#wrap {
    width: 800px;
    margin:0 auto;
    opacity:0.8;
    background-color:#4B0082;
    background-repeat:no-repeat;
    background-position:right top;
    background-image:url(images/logo4.jpg);

}

#wrapalt {
    width: 800px;
    margin:0 auto;
    opacity:0.8;
    background-color:#4B0082;

}