body
{
	font-family: arial, helvetica, freesans, sans-serif;
	font-size: 100%;
	color: #333;
	background-color: #ddd;
}

.box
{
	position: relative;
	width: 740px;
	padding: 50px;
	margin: 0 auto;
	background-color: #fff;
}

.box:before, .box:after
{
	position: absolute;
	width: 50%;
	height: 10px;
	content: ' ';
	left: 12px;
	bottom: 12px;
	background: transparent;
	-webkit-transform: skew(-5deg) rotate(-5deg);
	-moz-transform: skew(-5deg) rotate(-5deg);
	-ms-transform: skew(-5deg) rotate(-5deg);
	-o-transform: skew(-5deg) rotate(-5deg);
	transform: skew(-5deg) rotate(-5deg);
	-webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
	-moz-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
	z-index: -1;
} 

.box:after
{
	left: auto;
	right: 12px;
	-webkit-transform: skew(5deg) rotate(5deg);
	-moz-transform: skew(5deg) rotate(5deg);
	-ms-transform: skew(5deg) rotate(5deg);
	-o-transform: skew(5deg) rotate(5deg);
	transform: skew(5deg) rotate(5deg);
}