body, html {
    margin: 0;
    padding: 0;
}
ul#tabs {
    list-style: none;
    margin: 0;
    padding: 10px 0 0 0;
    height: 25px;
    border-bottom: 1px solid black;
    background: #92BBE6;
}
ul#tabs li {
    float: left;
    margin: 0 2px;
    height: 23px;
    text-align: center;
    position: relative;
    width: 50px;
    border: 1px solid black;
    top: 1px;
    background: rgb(153, 153, 153);
}
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#a2020 li#tab2020,
body#a2019 li#tab2019,
body#a2018 li#tab2018,
body#a2017 li#tab2017,
body#a2016 li#tab2016,
body#a2015 li#tab2015,
body#a2014 li#tab2014,
body#a2013 li#tab2013,
body#a2012 li#tab2012,
body#a2011 li#tab2011,
body#a2010 li#tab2010,
body#a2009 li#tab2009,
body#a2008 li#tab2008,
body#a2007 li#tab2007,
body#a2006 li#tab2006 {
    background: white;
    border-bottom: 1px solid white;
}
ul#tabs a:hover,
body#a2020 li#tab2020 a,
body#a2019 li#tab2019 a,
body#a2018 li#tab2018 a,
body#a2017 li#tab2017 a,
body#a2016 li#tab2016 a,
body#a2015 li#tab2015 a,
body#a2014 li#tab2014 a,
body#a2013 li#tab2013 a,
body#a2012 li#tab2012 a,
body#a2011 li#tab2011 a,
body#a2010 li#tab2010 a,
body#a2009 li#tab2009 a,
body#a2008 li#tab2008 a,
body#a2007 li#tab2007 a,
body#a2006 li#tab2006 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%;
}