body {
	background-color:#FF9900;
	width: 99%;
	text-align: center;
	font-family: Arial, Helvetica, sans-serif;
	}
#all{
	top: 0px;
	position: relative;
	margin: auto;
	text-align:left;
	width: 900px;
	}

a {
	text-decoration: none;
	color: #000000;
	}
	
a img{
	border: 0;
	}
	
.sub_menu{
	background-color:#FF9900;
	margin-top: 5px;
	margin-bottom: 0px;
	position: absolute;
}

.sub_button{
	width: 120px;
	padding: 5px;
	border-top: solid; 
	border-color:#000000; 
	border-width:thin;
}

.link_button{
	float:left; 
	width: 130px;  
	border-right: solid;
	border-color:#000000; 
	border-width:thin; 
	padding-bottom: 5px;
	background-color:#FFFF00;
}

.link_button:hover {
	background-color:#FF9900;
}

.link_button .sub_menu {
	display: none;
}

.link_button:hover .sub_menu {
	display: block;
}