body, html {
    margin: 0;
    padding: 0;
}
ul#tabs {
    list-style: none;
    margin: 0;
    padding: 10px 0 0 0;
    height: 50px;
    border-bottom: 1px solid black;
    background: rgb(222, 222, 222);
}
ul#tabs li {
    float: left;
    margin: 0 5px;
    height: 50px;
    text-align: center;
    position: relative;
    width: 100px;
    border: 1px solid black;
    top: 1px;
    background: rgb(128, 128, 128);
}
ul#tabs li:hover {
    border-bottom: 1px solid white;
    background: white;
}
ul#tabs a {
    display: block;
    height: 100%;
    text-decoration: none;
    color: white;
    font: 14px Arial, sans-serif;
}
body#Module1 li#tab1,
body#Module2 li#tab2,
body#Module3 li#tab3,
body#Module4 li#tab4,
body#Module5 li#tab5,
body#Module6 li#tab6,
body#homeTV li#tab5 {
    background: white;
    border-bottom: 1px solid white;
}
ul#tabs a:hover,
body#Module1 li#tab1 a,
body#Module2 li#tab2 a,
body#Module3 li#tab3 a,
body#Module4 li#tab4 a,
body#Module5 li#tab5 a,
body#Module6 li#tab6 a,
body#homeTV li#tab7 a {
    color: black;
}
ul#tabs span {
    display: block;
    padding: 4px 10px 0 10px;
}
div#iframe {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin-top: 50px;
    border-top: 1px solid black;
}
iframe {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 100%;
}