#modal_wrapper.overlay:before {
	content: " ";
	width: 100%;
	height: 100%;
	position: fixed;
	z-index: 100;
	top: 0;
	left: 0;
	background: #000;
	background: rgba(0,0,0,0.7);
}

#modal_window {
	display: none;
	z-index: 200;
	position: fixed;
	left: 50%;
	top: 50%;
	width: 360px;
	padding: 10px 20px;
	background: #fff;
	border: 5px solid #999;
	border-radius: 10px;
	box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

#modal_wrapper.overlay #modal_window {
	display: block;
}
.btn01 {
	padding: 10px 15px;
	background: #4479BA;
	color: #FFF;
	text-decoration: none;
	border-radius: 4px;
	border: solid 1px #20538D;
	text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.4);
}

.btn02 {
	padding: 10px 15px;
	background: #ffab23;
	color: #333333;
	text-decoration: none;
	border-radius: 4px;
	border: solid 1px #FF9D01;
	text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.4);
}