body { margin: 0; font-family: Helvetica, sans-serif; }
#content { text-align: center; margin: 0 auto; }
#description p { text-align: left; margin: 25px 80px; line-height: 1.5em; }

#header { font-family: Menlo, monospace; font-size: 12px; background-color: #668; color: white; top: 0; left: 0; padding: 5px 12px; }
#header a { color: white; }

#canvas { background: black; border: 2px solid black; }

#ad {
	-webkit-transform: rotateZ(5deg); 
	-webkit-transition-duration: 330ms; -webkit-transition-property: -webkit-transform;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	-webkit-box-shadow: 0px 1px 15px #aaa;
	width: 120px; 
	background-color: white; 
	text-align: center; 
	position: absolute; 
	right: 50px; top: 10px; 
	border: 1px solid black; 
	padding: 10px;
}

#ad a { color: black; text-decoration: none; font-size: 11px; }
#ad a img { border: 0; }

#ad:hover { -webkit-transform: rotateZ(0deg); -webkit-box-shadow: 0px 1px 15px blue; border: 1px solid blue; }