html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    overflow: hidden;
}

#dho {
    width: 100%;
    height: 100%;
}

#dho iframe {
    height: 90%;
    width: 100%;
    border-width: 0;
    z-index: 10;
}

#dhoframe {
    background: #4f91c5 url(../images/bg-repeat.jpg) repeat-x;    
    height: 10%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
}

#dhoframe>.button {
    display: block;
}

#dhoframe>.button span {
    display: none;
}

#dhoframe>.return_home {
    background: url(../images/return.jpg) no-repeat top right;
    width: 251px;
    height: 50px;
    padding-left: 10px;
    float: left;
}

#dhoframe>.close_frame {
    background: url(../images/close.jpg) no-repeat top left;
    width: 34px;
    height: 50px;
    padding-right: 15px;
    float: right;
}