body {
background: #FFFFFF;
margin: 0px;
padding: 0px;
font-family: Verdana, Arial, Helvetica, sans-serif ;
/*text-align: left;*/
font-size: 0.8em;
font-style: italic;
color: #999999;
}

div#aai {
margin: 100px;
text-align: left;
verticalalign: bottom;
border: 0;
}

div#aai img {
display:block; 
width: 173px;
height: 77px;
border: 0;
}

div#aai a {
display:block;
background: url(../img/logo_aai.gif) no-repeat;
width: 173px;
height: 77px;
}

div#aai a:hover img {
visibility: hidden;
}

div#aai a:hover { /* Workaround für IE 5.5 und 6 */
boder:0;
}

div#content {
padding-top: 12px;
background: url(../img/bg.gif) repeat-x;
width: 100%;
height: 200px; /*113*/
text-align: center;
font-size: 1.1em;
}

div#content a {
color: #999999;
}

div#ambigua {
float: right;
margin: 100px;
verticalalign: top;
border: 0;
}

div#ambigua img {
float: right;
display:block; 
width: 153px;
height: 41px;
border: 0;
}

div#ambigua a {
display:block;
background: url(../img/logo_ambigua.gif) no-repeat;
width: 153px;
height: 41px;
}

div#ambigua a:hover img {
visibility: hidden;
}

div#ambigua a:hover { /* Workaround für IE 5.5 und 6 */
boder:0;
}