div#topnav,
div#header,
div#leftcolumn,
div#bottomnav,
a#btn_back,
div#extra {
    display: none;
}

div#globalwrapper,
div#container,
div#contentcontainer,
div#rightcolumn {
    display: block;
}

div#top,
div#content {
    width: 100%;
}