div {
	margin: 30px auto;
	padding: 20px;
	border: 20px #00ff99 solid;
	width: 300px;
	height: 150px;
	background-color: #ffff99;
}
code {
	font-family: Helvetica, sans-serif;
	font-weight: bold;
}
#sample1 {
	-moz-box-sizing: content-box;
	-webkit-box-sizing: ontent-box;
	box-sizing: content-box;
}
#sample2 {
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}
