版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/aixp88/article/details/72123517
<!DOCTYPE html>
<html>
<head>
<style>
.left{
width:200px;
float:left;
background:red;
color:#fff;
}
.right{
overflow:hidden;
background:blue;
color:#fff;
}
</style>
</head>
<body>
<div class="left">left</div>
<div class="right">right</div>
</body>
</html>