main.css

body {
	background: #fff url(white_brick_wall.png);
	font: 15px "Helvetica Neue",Calibri,Helvetica,Arial,sans-serif;
	color: #666;
	padding: 0; margin: 0;
}

h1 {
	margin-bottom: 0;
	color: #999;
}

a {
	color: #66f;
	text-decoration: none
}

.container {
	text-align: center;
	padding: 10px 0;
}
	/*.wrapper {margin:0 300px}*/

.block {
	margin: 20px 30px;
	display:inline-block;
	width:50px;
	height:50px;
}

.c  {background:rgba(193,193,193,.5)}
.cr {background:rgba(255,0,0,.5)}
.cg {background:rgba(0,200,0,.5)}
.cb {background:rgba(0,0,255,.5)}
.crg{background:rgba(255,255,0,.5)}
.cgb{background:rgba(0,200,255,.5)}
.cbr{background:rgba(255,0,255,.5)}
.crgb{background:rgba(255,255,255,.5)}

.round  {border-radius:10px}
.circle {border-radius:30px}
.ur {border-radius:5px 50px 5px 5px}
.ll {border-radius:5px 5px 5px 50px}