php-qrcode/benchmark/benchmark.css

body {
	font-size: 16px;
	line-height: 1.25em;
	font-family: "Verdana", sans-serif;
	color: #000;
}

code{
	font-family: "Consolas", monospace;
}

table {
	border-collapse: collapse;
}

td{
	padding: 0.25em 0.5em;
}

thead > tr:nth-child(1) > th:nth-child(1n+2),
thead > tr:nth-child(even) > th:nth-child(4n+2),
tbody > tr > td:nth-child(4n+2) {
	border-left: 2px solid #999;
}

tr:nth-child(odd),
thead > tr > th:nth-child(even),
thead > tr:nth-child(2) > th:first-child {
	background: rgba(0, 0, 0, 0.1);
}

tbody > tr > td:first-child {
	background: rgba(0, 0, 0, 0.1);
	font-weight: bold;
}

tbody > tr > td:nth-child(1n+2) {
	text-align: right;
}

thead > tr:nth-child(2) > th:nth-child(4n+2),
tbody > tr > td:nth-child(4n+2) {
	background: rgba(0, 255, 0, 0.1);
}

thead > tr:nth-child(2) > th:nth-child(4n+3),
tbody > tr > td:nth-child(4n+3) {
	background: rgba(255, 255, 0, 0.1);
}

thead > tr:nth-child(2) > th:nth-child(4n+4),
tbody > tr > td:nth-child(4n+4) {
	background: rgba(0, 0, 255, 0.1);
}

thead > tr:nth-child(2) > th:nth-child(4n+5),
tbody > tr > td:nth-child(4n+5) {
	background: rgba(255, 0, 0, 0.1);
}

a.return{
	display: block;
	margin: 1em 0;
}