好久没上来了，有种小陌生的感觉。

今天就传一个这几天一直在研究的代码吧

单击加号，图片放大，加号变成减号；单击减号，图片变小，减号变加号。

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>泡芙小姐</title>
		<link rel="stylesheet" type="text/css" href="css/css.css"/>
	</head>
	<body id="jiajian">
		<div class="tupian">
		<img src="img/1.jpg" alt />	
		</div>
		<div id="suofang">
			<a href="#jiajian" id="jian" class="fang">+</a>
			<a href="#" id="jia" class="suo">-</a>
		</div>
	</body>
</html>


css

*{
	padding: 0;
	margin: 0;
	border: none;
}
.tupian{
	width: 658px;
	height: 548px;
	border: 3px solid #666;
	box-shadow: 0px 0px 10px 0 rgba(0,0,0,.8);
	margin: 50px auto;
	position: relative;
	overflow: hidden;
	cursor: pointer;
}
.suo{
	position: fixed;
	left: 47%;
	bottom: 10%;
	text-decoration: none;
	color: #fff;
	background-color: rgba(0,0,0,.5);
	width: 60px;
	height: 30px;
	text-align: center;
	line-height: 30px;
	font-size: 50px;
}
.fang{
	position: fixed;
	left: 47%;
	bottom: 10%;
	text-decoration: none;
	color: #fff;
	background-color: rgba(0,0,0,.5);
	width: 60px;
	height: 30px;
	text-align: center;
	line-height: 30px;
	font-size: 50px;
}
#jiajian:target img{
	transition: all .5s;
	-webkit-transform: scale(2);
	-moz-transform: scale(2);
	-ms-transform: scale(2);
	-o-transform: scale(2);
	transform: scale(2);
}
#jian{
	display: block;
}
#jia{
	display: none;
}
#jiajian:target #jian{
	display: none;
}
#jiajian:target #jia{
	display: block;
}

感觉还是非常萌萌哒的~~