<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>浮动</title>
<style type="text/css">
div {
width: 300px;
height: 300px;
}
.one {
background-color: red;
float: left;
/* none | right | left */
}
.two {
width: 350px;
background-color: green;
float: left;
}
.three {
background-color: blue;
float: left;
}
</style>
</head>
<body>
<div class="one"></div>
<div class="two"></div>
<div class="three"></div>
</body>
</html>
