.pro_size {
	font-size: 0;
	margin: 0px auto;
	padding: 0px;
	list-style-type: none;
	display: block;
	width: 100%;
	border: 1px solid #ddd;
	border-radius: 4px;
	 background-color:#fff;
	position: relative;
	clear:both;
	margin-bottom:20px;
	overflow:hidden;
}
.pro_size div.dummy {
	padding-top: 100%;/*�劫��丞����蕭�綺�*/
}
.pro_size img{
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	
	/*width:auto;
	height:auto;*/
	

	
	max-width: 100%;
	max-height: 100%;
	
	display: block;
	margin: auto;
	padding: 1px;
	border: 0px solid blue;	
	border-radius: 0px;
	background:#fff;
}