div#menu
{
	width:200px;
	background:#c8d0fc;
	border:1px stil;
	border-radius:10px;
	padding:10px;

}
div#container
{
	position:relative;
	left:50%;
	margin-left:-410px;
	width:800px;
	background:gray;
	padding:10px;
	border-radius:10px;

}
div#content
{
	padding:10px
}
#container::after
{
	clear:both;
	display:table;
	content:"";
	zoom:1;
}


h1
{
	text-align:left;
}
p
{
	text-align:left;
}

table
{
	border:1px solid;
	border-collapse:collapse;
	text-align:left;
}
th
{
	text-align:center;
	border: 1px solid;
	padding:5px;
	background: black;
	color:white;
	border-color:black;
}
td
{
	border: 1px solid;
	padding:5px;
	border-color:black;
}
tr
{
	border: 1px solid;
	border-color:green;
}
tr.cream_layer
{
	background:#edf3bc;
}

tr.silver_layer
{
	background:silver;
}
tr.last_row_layer
{
	background:black;
	color:red;
}
td#total
{
	text-align:right;
}