/* CSS Document */

body{
    margin: 0;
    padding: 0;
	overflow : hidden ;}
ul {
    background: #fff url(imghome/philo-expo.jpg) no-repeat fixed left top;
    width: 1024px;
    height: 723px;
    list-style: none;
	margin: 0;
    padding: 0;	
}
#firefox{left: 750px;
    top: 5px;
	display: visible !important;
    background-color: transparent;
	width: 270px;
    height: 20px;}
li {
    position: absolute;
}
li:hover+li, li:hover+li+li {
    display: none !important;
}

#philo {
    left: 0px;
    top: 150px;
    z-index: 5;
    background-color: transparent;
	width: 530px;
    height: 160px;
}

#com {
    left: 352px;
    top: 319px;
    z-index: 5;
    background-color: transparent;
	width: 360px;
    height: 160px;
}
#expo {
    left:350px;
    top: 500px;
    z-index: 1;
    background-color: transparent;
}

li:hover {
    background-color: transparent;
}

li span {
    position: absolute;
    display: none;
}
li:hover span {
    display: block;
    height: 50px;
    width: 50px;
    line-height: 50px;
    vertical-align: middle;
    text-align: center;
    border: 1px solid black;
}