* {
	font-family: sans-serif;
	color: #fff;
}

body{
	background-color:#222;
}

div.btn{
	border: 1px solid #fff;
	padding: 5px;
	margin: 2px;
	cursor:pointer;
	float:left;
	background-color: #666;
}
div.btn.on{
	background-color: #88D;
	color:#000;
}