chrome-extension-box.css

/* Simulates extension box with shadow */
#container {
		margin: 30px auto;
		background-color: #fbfbfb;
		width: 800px;
		border: 1px rgba(0, 0, 0, 0.35) solid;
		border-bottom-color: rgba(0, 0, 0, 0.43);
		border-radius: 3px;
		-webkit-box-shadow: 0 1px 0 1px rgba(0,0,0,0.01),
		0 1px 0 0px rgba(0,0,0,0.055),
		0 2px 0 0px rgba(0,0,0,0.05),
		0 2px 1px rgba(0,0,0,0.1),
		0 3px 0 -1px rgba(0,0,0,0.05);
		padding: 2px;
}

#container .wrapper {
		background-color: #fff;
		padding: 20px;
}