*{margin:0;padding:0;list-style: none;}
.lanren p { padding: 1em; font-family: monospace; font-size: 2em; }
.lanren button {
	margin: auto;
	text-align: center;
	display: block;
	width: 150px;
	height: 40px;
	background: #FC9;
	border: 0;
	cursor: pointer;
	position: absolute;
	left: 0;
	right: 0;
	border-radius: 3px;
	font-family: monospace;
	font-size: 2em;
	background-color: #FF9966;
}
.lanren article { width: 100%; margin: auto;box-sizing: border-box; }