.kurse
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 175px;
    height:32px;
    background: url("../images/bt_kurse.png") 0 0 no-repeat;
}

.kurse:hover
{
    background-position: 0 -32px;
}

.news
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 83px;
    height:32px;
    background: url("../images/bt_news.png") 0 0 no-repeat;
}

.news:hover
{
    background-position: 0 -32px;
}

.ueberuns
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 110px;
    height:32px;
    background: url("../images/bt_ueberuns.png") 0 0 no-repeat;
}

.ueberuns:hover
{
    background-position: 0 -32px;
}

.kontakt
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 102px;
    height:32px;
    background: url("../images/bt_kontakt.png") 0 0 no-repeat;
}

.kontakt:hover
{
    background-position: 0 -32px;
}

.impressum
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 126px;
    height:32px;
    background: url("../images/bt_impressum.png") 0 0 no-repeat;
}

.impressum:hover
{
    background-position: 0 -32px;
}

.links
{
    text-decoration: none;
    border:0;
    padding:0;
    display: block;
    text-indent: -9999px;
    letter-spacing: -9999px;
    font-size:0;
    width: 93px;
    height:32px;
    background: url("../images/bt_links.png") 0 0 no-repeat;
}

.links:hover
{
    background-position: 0 -32px;
}