body {
	width: 92%;
	margin-left: auto;
	margin-right: auto;
	background-color: #fff;
	}

h1 {
	text-align: center;	
	}

p {
	margin-bottom: 2em;
	}

.nav_list {
	display: block;
	width: 99%;
	margin-left: auto;
	margin-right: auto;
	}

.nav_list li {
	list-style: none;
	float: left;
	width: 20%;
	}

.section {
	margin-bottom: 4em;
	clear: left;
	}

table {
	border-collapse: collapse;
	width: 90%;
	}

.cost {
	text-align: right;
	}

dt {
	font-style: italic;
	}

dd {
	margin-bottom: 1em;
	}

td {
	border: 1px solid;
	padding: .3em;
	}

.tablefoot td {
	border: 0px none;
	font-weight: bold;
	}

#total {
	border: 1px solid;
	}