html
{
	background: #ccc;
}

body
{
	background: #fff;
	width: 900px;
	padding: 50px;
	margin: 50px auto;
	box-shadow: 0 0 25px #333;
}

h1, h2, h3, ul, p, table
{
	margin-bottom: 25px;
}

ul
{
	padding-left: 25px;
}

li
{
	list-style: circle;
}

td, th
{
	border: 1px solid #bbb;
	padding: 5px 15px;
	background: #fff;
}

td:last-child
{
	min-width: 110px;
}

thead th, tr td:first-child
{
	background: #eee;
}

.total thead
{
	font-weight: bold;
}

table.units
{
	width: 100%;
}

/* option buttons */

.min, .plus, .del, .edit
{
	display: inline-block;
	width: 20px;
	text-align: center;
	padding: 3px 0;
	border: 1px solid #aaa;
	background: #ddd;
	text-decoration: none;
	margin-right: 2px;
	color: #333;
}	.min:hover, .plus:hover, .del:hover, .edit:hover
	{
		background: #fff;
		color: #000;
	}

.edit
{
	background: #999;
	color: #fff;
}

.del
{
	background: red;
	color: #fff;
	margin-left: 10px;
}

.undo
{
	position: fixed;
	width: 300px;
	background: #FFC;
	text-align: center;
	padding: 10px 0;
	left: 50%;
	top: -5px;
	margin-left: -150px;
	box-shadow: 0 0 10px #999;
	border-radius: 5px;
}

.error
{
	background: red;
	color: #fff;
}

.message, .total
{
	display: inline-block;
	vertical-align: top;
}

.message
{
	margin-top: 2em;
}