<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>自适应盒子</title>
<style type="text/css">
.box{
border:1px solid red;
float: left;
}
.left,.middle,.right{
width: 200px;
height: 300px;
margin: 20px;
border:1px solid red;
float: left;
}
.left:hover,.middle:hover,.right:hover{
font-weight: bold;
box-shadow: 6px 6px 6px 2px gray;
}
</style>
</head>
<body>
<div class="box">
<div>
<div class="left">left</div>
<div class="middle">middle</div>
<div class="right">right</div>
</div>
</div>
</body>
</html>
参考下以上代码
追问如果想要字体变粗的同时变黑呢?
追答这hover里面添加样式就行了,比如你想背景变红,可以在代码里面协商background:red就行了。文字同理
.left:hover,.middle:hover,.right:hover{
background:red;
font-weight: bold;
box-shadow: 6px 6px 6px 2px gray;
}