Box Sizing Test

div {
	width:15em;
	padding:1em 2em;
	border:0.5em solid black;
	margin:2em;
}

No particular box-sizing defined

W3 box-sizing:content-box

'content-box' should be this wide, including borders

Moz -moz-box-sizing:content-box

Webkit -webkit-box-sizing:content-box

W3 box-sizing:padding-box

'padding-box' should be this wide, including borders

Moz -moz-box-sizing:padding-box

Webkit -webkit-box-sizing:padding-box

W3 box-sizing:border-box

'border-box' should be this wide, including borders

Moz -moz-box-sizing:border-box

Webkit -webkit-box-sizing:border-box