/**
 * Extending the hit area — with borders
 */

button {
	padding: .3em .5em;
	border: 10px solid transparent;
	border-radius: 50%;
	background: #58a;
	background-clip: padding-box;
	box-shadow: 0 0 0 1px rgba(255,0,0,.3) inset;
	color: white;
	font: bold 150%/1 sans-serif;
	cursor: pointer;
}