html, body { background: #de6b4c; }

#contain {
    background: #fff;
    height: 650px;
    margin: 80px auto 0;
    position: relative;
    width: 500px;
}
a#hello {
    background: url(../img/email.jpg) center center no-repeat;
    bottom: 0;
    display: block;
    height: 170px;
    left: 0;
    position: absolute;
    text-indent: -9999px;
    width: 500px;
}