CSS"溢出"剔除"背景色"

Question

CSS"溢出"剔除"背景色"

Obs*_*ian 26 html css background overflow

我正在尝试为网站设置代码块.容器div设置为垂直和水平溢出.问题是当它水平溢出时,斑马条纹背景颜色被剔除.我也用背景图片试了一下,但它也剔除了.为什么这样做,我该如何解决？

谢谢.

图片:http://zero.robotrenegade.com/q3w/background-overflow.png

网页(缩小浏览器宽度以查看问题):http://zero.robotrenegade.com/q3w/code.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="created" content="">
    <meta name="description" content="">
    <meta name="keywords" content="">
    <link rel="stylesheet" href="" type="text/css" media="all" title="Default styles" />
    <title></title>
    <!--[if IE]><script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            jQuery("pre code").html(function(index, html) {
                    return html.replace(/^(.*)$/mg, "<span class=\"line\">$1</span>")
            });
        });
    </script>
<style>
.codeblock {
    max-height: 25em;
    overflow: auto;
    margin: 1em;
    border: 1px solid #ccc;
    font-size: 1em;
    line-height: normal;
    border-radius: 8px;
    box-shadow: 0px 0px 4px rgba(0,0,0,0.25);
}
.codeblock h1, .codeblock p {
    font-size: 1em;
    margin: 0;
    padding: 0em 1em 0.5em 3.5em;
    line-height: 2em;
    background-color: #eee;
}
.codeblock pre {
    margin: 0;
    padding: 0;
    font-face: 'lucida console',monaco,courier,'courier new',monospace;
}
.codeblock pre code {
    counter-reset: line-numbering;
    margin: 0;
    padding: 0;
}
.codeblock pre code .line::before {
    content: counter(line-numbering);
    counter-increment: line-numbering;
    padding-right: 0.5em;
    width: 4.5em;
    text-align: right;
    color: #888;
    border-right: 1px dotted #888;
    display: inline-block;
    background-color: #eee;
}
.codeblock pre code .line {
    display: block;
    margin: 0 0 -1.2em 0;
    line-height: 1.5em;
}
.codeblock pre code .line:nth-child(odd) {
    background: #f2f5f9;
}
/*.codeblock pre code .line:hover {
    background: #4b95e5;
    color: #fff;
}*/
</style>

</head>
<body>

<div class="codeblock"><!--<h1>Hello, this is an optional header.</h1>-->
<pre><code>void idAF::Restore( idRestoreGame *savefile ) {
    savefile->ReadObject( reinterpret_cast<idClass *&>( self ) );
    savefile->ReadString( name );
    savefile->ReadBool( hasBindConstraints );
    savefile->ReadVec3( baseOrigin );
    savefile->ReadMat3( baseAxis );
    savefile->ReadInt( poseTime );
    savefile->ReadInt( restStartTime );
    savefile->ReadBool( isLoaded );
    savefile->ReadBool( isActive );

    animator = NULL;
    modifiedAnim = 0;

    if ( self ) {
        SetAnimator( self->GetAnimator() );
        Load( self, name );
        if ( hasBindConstraints ) {
            AddBindConstraints();
        }
    }

    savefile->ReadStaticObject( physicsObj );

    if ( self ) {
        if ( isActive ) {
            // clear all animations
            animator->ClearAllAnims( gameLocal.time, 0 );
            animator->ClearAllJoints();

            // switch to articulated figure physics
            self->RestorePhysics( &physicsObj );
            physicsObj.EnableClip();
        }
        UpdateAnimation();
    }
}</code></pre>
<!-- <p>This is an optional footer, goodbye!</p> -->
</div>

</body>
</html>

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Answer 1

szy*_*zym 6

尝试float:left对.codeblock pre.适用于Firefox.

<pre>适合.codeblock容器内部,就像没有空间一样.float使您的<pre>元素足够宽,以适应其内容.

UPDATE

.codeblock pre {
    float: left;
    min-width: 100%;}

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适用于Firefox,Opera,IE9和WebKit

据我所知,它在容器内部的元素overflow:auto适合在默认可见的区域内.那些元素' width:100%只有外部容器一样宽.在这个示例内部容器内部,您有一个code不会断行的标记,因此文本会移到内部容器之外,并使外部容器显示滚动.为避免这种情况,您需要内部容器来适应其内容float:left.

但是,正如你巧妙地注意到(我没有),这样,如果外部容器比代码宽,它将不会扩展,以避免你需要min-width:100%使内部容器至少使用所有可见空间在外部容器内.

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