使多个不确定高度的div等高对齐排列
DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>title>
<style>
.newspaper
{
overflow:hidde;
}
.a ,.b{
border:1px solid red;
float:left;
width:40%;
margin-bottom:-1000px;
padding-bottom:1000px;
}
style>
head>
<body>
<div class="newspaper">
<div class="a">11div>
<div class="b">22div>
div>
body>
html>
菜鸟教程(runoob.com)
11 22