* {
	margin:0;
	padding:0;
}
.zoom {
	width:450px;
	height:450px;
	border:solid 1px #bbb;
	margin:30px;
	position:relative;
}
.s_area {
	position:relative;
}
.s_area img {
	display:block;
}
.mask {
	width:100px;
	height:100px;
	background:#000;
	filter:alpha(opacity=65);
	opacity:0.65;
	position:absolute;
	left:-10000px;
	top:0;
}
.b_area {
	position:absolute;
	left:-10000px;
	top:-1px;
	border:solid 1px #bbb;
	width:450px;
	height:450px;
	overflow:hidden;
}
.b_area img {
	position:absolute;
	left:0;
	top:0;
}