.headerbilder {
    position:relative;
    overflow:hidden;
}

.headerbilder .pager {
    position:absolute;
    right:0px;
    bottom:0px;
    z-index:30;
    text-align:center;
}
    .headerbilder .pager a {
        display:block;
        float:left;
        padding:10px;
        text-decoration: none;
        background:white;
        /*text-indent: -9999px;*/
    }
   .headerbilder .pager a:hover, .headerbilder .pager a.activeSlide {
       background:#aaa;
   }