css3实现的图片边框阴影效果

css3凭借其自身强大的功能为我们带来了许多丰富实用的页面显示技术，以前一些只有通过js才能实现的效果，已经可以通过css3轻松实现了。今天继续向大家分享一个通过css3实现的图片边框阴影特效，该效果全程无js，使用方便，喜欢在网页图片细节上下功夫的前端爱好者们怎能错过？
主要css
.photo { 
	margin: 30px auto;
	display: block;
	height: 401px;
	width: 602px;
	-webkit-box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 2px 3px rgba(0, 0, 0, .5);
	-moz-box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 2px 3px rgba(0, 0, 0, .5);
	-o-box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 2px 3px rgba(0, 0, 0, .5);
	box-shadow: 0 2px 10px rgba(0, 0, 0, .5), 0 2px 3px rgba(0, 0, 0, .5);
	position: relative;
}

.photo img {
	width: 100%;
}

.photo:before {
	content: "";
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgba(255, 255, 255, .15)), to(rgba(0, 0, 0, .25))), -webkit-gradient(linear, left top, right bottom, color-stop(0, rgba(255, 255, 255, 0)), color-stop(0.5, rgba(255, 255, 255, .1)), color-stop(0.501, rgba(255, 255, 255, 0)), color-stop(1, rgba(255, 255, 255, 0)));
	background: -moz-linear-gradient(top, rgba(255, 255, 255, .15), rgba(0, 0, 0, .25)), -moz-linear-gradient(left top, rgba(255, 255, 255, 0), rgba(255, 255, 255, .1) 50%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0));
	background: linear-gradient(top, rgba(255, 255, 255, .15), rgba(0, 0, 0, .25)), linear-gradient(left top, rgba(255, 255, 255, 0), rgba(255, 255, 255, .1) 50%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0));
}