how to make a div to wrap two float divs inside?

Tags: css,layout,html,css-float

Problem :

I don't know if it's a common problem, but I can't find the solution in web so far. I would like to have two divs wrapped inside another div, however these two divs inside have to be align the same level (for example: left one takes 20%width of the wrappedDiv, right one take another 80%). To achieve this purpose, I used the following example CSS. However, now the wrap DIV didn't wrap those divs all. The wrap Div has a small height than those two divs contained inside. How could I make sure that the wrap Div has the largest height as the contained divs? Thanks!!!

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
<html lang="en">
    <meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
    <title>liquid test</title>
    <style type="text/css" media="screen">
            margin: 0;
            padding: 0;
            float: left;
            width: 25%;
            height: 150px;
            background-color: #999;
            margin-bottom: 10px;

            float: left;
            margin-left: 1%;
            width: 65%;
            height: 150px;
            background-color: #999;
            margin-bottom: 10px;

<div id="wrap">
    <h1>wrap1 </h1>
    <div id="nav"></div>
    <div id="content"><a href="index.htm">&lt; Back to article</a></div>

Solution :

It's a common problem when you have two floats inside a block. The best way of fixing it is using clear:both after the second div.

<div style="display: block; clear: both;"></div>

It should force the container to be the correct height.

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