body{
	color:#FFFFFF;
	line-height:140%;
	background-color:#1D0E09;
	margin:0px;
	font-family:Arial, Helvetica, sans-serif;
	background-image:url(images/harlem_background.jpg);
	background-position:center;
	background-position:top;
	background-repeat:no-repeat;
}

html {
	overflow: scroll;
}

img {
	border-style: none;
}

a {
	outline: none;
}
	
A:link {text-decoration:none; color:#F9EF6B;}
A:visited {text-decoration:none; color:#F9EF6B;}
A:active {text-decoration:none; color:#F9EF6B;}
A:hover {text-decoration:none; color:#F2673A;}

td.on_culture_now{
background-image:url(images/culture_now.png);
color:#FFFFFF;
}

td.off_culture_now{
color:#33C6F4;
}

td.on_harlem_map{
background-image:url(images/harlem_map.png);
color:#FFFFFF;
}

td.off_harlem_map{
color:#ABDFE9;
}

td.on_search{
background-image:url(images/search.png);
color:#FFFFFF;
}

td.off_search{
color:#C878B1;
}

td.on_get_a_map{
background-image:url(images/get_a_map.png);
color:#FFFFFF;
}

td.off_get_a_map{
color:#EE3C96;
}

td.on_events{
background-image:url(images/events.png);
color:#FFFFFF;
}

td.off_events{
color:#ED2024;
}

td.on_tours{
background-image:url(images/tours.png);
color:#FFFFFF;
}

td.off_tours{
color:#F2673A;
}

td.on_podcasts{
background-image:url(images/podcasts.png);
color:#FFFFFF;
}

td.off_podcasts{
color:#CB9865;
}

td.on_about{
background-image:url(images/about.png);
color:#FFFFFF;
}

td.off_about{
color:#F9EF6B;
}

#search_option{
	font-size: 11px;
	color:#FF0;
	font-style:oblique;
}

h3{
	display:inline;
}

Read more: http://www.webdesign.org/web/html-and-css/tutorials/changing-table-background-on-mouseover.1419.html#ixzz0LqvKXoKg