Fluid CSS:具有最大宽度和溢出的浮动列

套 margin-right: -240px; float: left; 上 <pre> 元素使其占据尽可能少的水平空间,同时可能使父元素溢出 <div> 240px . 记住要确保 <p> 元素清除两侧的浮动元素( clear: both ). 完整示例如下:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 
    "http://www.w3.org/TR/html4/strict.dtd">
<html>
    <head>
        <title>Solution</title>
    </head>
    <body>
        <div style="float: left; background-color: cyan; max-width: 460px;">
            <p style="background-color: magenta; clear: both;">
                Lorem ipsum dolor sit amet, consectetur adipisicing elit. 
                Lorem ipsum dolor sit amet, consectetur adipisicing elit. 
                Lorem ipsum dolor sit amet, consectetur adipisicing elit.
            </p>
            <pre style="float: left; max-width: 700px; 
                background-color: yellow; margin-right: -240px;">
function foo() {
    // Lorem ipsum dolor sit amet, consectetur adipisicing elit
}
            </pre>
            <p style="background-color: magenta; clear: both;">
                Lorem ipsum dolor sit amet, consectetur adipisicing elit. 
                Lorem ipsum dolor sit amet, consectetur adipisicing elit. 
                Lorem ipsum dolor sit amet, consectetur adipisicing elit.
            </p>
        </div>
    </body>
</html>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
    <head>
        <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
        <title>Test</title>
        <style type="text/css" media="screen">
            body
            {
                margin: 0;
                padding: 0;
            }
            #wrapper
            {
                float: left;
                width: 100%;
            }
            #content
            {
                float: left;
                width: 100%;
                max-width: 500px;

                margin: 0;
                padding: 0;

                font-family: "Trebuchet MS", sans-serif;
                font-size: 12px;
            }
            #content-pad
            {
                margin: 50px;
                padding: 50px 0 40px 50px;
                background-color: #CCC;
            }

            p, pre
            {
                margin: 0 50px 10px 0;
                line-height: 1.6em;
            }

            pre
            {
                padding: 20px;
                width: 560px;

                background-color: #333;
                color: #FFF;
            }
        </style>
    </head>
    <body>
        <div id="wrapper">
            <div id="content">
                <div id="content-pad">
                    <p>Fusce euismod nunc vitae orci vestibulum adipiscing. Nam id quam libero, sed convallis elit. Etiam interdum, urna et imperdiet euismod, nisi erat commodo elit, sed convallis magna est quis sem. Fusce tempor aliquet est, et ornare eros vulputate et. Vivamus arcu augue, pretium vel fermentum in, gravida sed elit. Vestibulum ut ligula ac quam hendrerit ullamcorper. Phasellus id justo augue. Integer a eros ante. Vivamus sapien mi, placerat a viverra pharetra, dignissim sit amet ipsum. Fusce nunc nunc, tempus ut aliquet sit amet, consectetur sed quam. Cras ligula enim, bibendum eget luctus a, convallis sit amet nisl. Nullam in quam in lectus faucibus lobortis vel pulvinar ante.</p>
                    <pre>Here is some code!
We're going to make sure that it has a full eighty characters to play in.
12345678901234567890123456789012345678901234567890123456789012345678901234567890</pre>
                    <p>Nullam in sapien vitae dui tincidunt elementum. Curabitur condimentum vulputate sem ornare pharetra. Fusce in dolor eget neque viverra sagittis a a orci. Vivamus blandit leo eget orci viverra quis hendrerit velit tempus. Donec in erat risus. Nullam scelerisque faucibus ante, ultricies tristique dolor laoreet sit amet. Duis sit amet tortor dolor, vel interdum ipsum. Sed sed nibh vel ipsum commodo cursus. Proin fermentum nunc in velit tincidunt imperdiet sit amet nec neque. Suspendisse neque ante, luctus sit amet pulvinar eu, congue laoreet magna. Aenean sit amet porttitor quam. Mauris hendrerit vulputate tempus. Curabitur mauris magna, laoreet congue rutrum condimentum, condimentum in sapien. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas.</p>
                </div>
            </div>
        </div>

        <!-- this next element just maintains the margin properly -->
        <div style="clear:both; height: 0; overflow: hidden;"></div>
    </body>
</html>

pre {
    display: inline-block;
}

适用于Chrome和FireFox,这让我觉得它至少也适用于Opera、Safari和IE8。

如果这违反了IE6,您可以使用此选择器在浏览器中隐藏规则:

div > pre {
    display: inline-block;
}

<div style="float: left; max-width: 460px; border: 1px solid red">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit</p>
<pre style="max-width: 700px; border: 1px solid blue; display: inline-block;">
function foo() {
    // Lorem ipsum dolor sit amet, consectetur adipisicing elit dfsf sdf sdf sdf sdf
}
</pre>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit</p>
</div>

这也许有用

pre {
  position:relative;
  float:left;
  z-index: 1;
}

position relative使pre“弹出”列的维度,而不将其从文档流中移除,float应调整pre的宽度以包含其所有内容。