Hier die height: ändern in font_and_colors.css

li ul {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	height:12.6em;
	padding-top:1em;
	font-weight: normal;
	background:#fff;
	opacity: 0.7;
	-moz-opacity: 0.7; 
	-khtml-opacity: 0.7; 
	/* IE special stuff, can be taken care of with ie7 script */
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=70);
	/*padding: 0.6em 0 1em 0;*/
	border-right: solid 1px #666666;
	border-left: solid 1px #666666;
	border-bottom: solid 1px #666666;
}

/*IE HACK*/
* html li ul {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	height:14em;
	padding-top:1em;
	font-weight: normal;
	background:#fff;
	opacity: 0.5;
	-moz-opacity: 0.5; 
	-khtml-opacity: 0.5; 
	/* IE special stuff, can be taken care of with ie7 script */
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50);
	/*padding: 0.6em 0 1em 0;*/
	border-right: solid 1px #666666;
	border-left: solid 1px #666666;
	border-bottom: solid 1px #666666;
}