CSS 悬停+背景图片

CSS Hover+Background Image(CSS 悬停+背景图片)

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问题描述

我正在使用 HTML/CSS 创建一个特殊的 UI 控件来模仿 Windows 7 控制面板按钮.到目前为止,我已经完成了布局,现在我想在其中添加一些化妆品.

如此处所示,当您将鼠标悬停在按钮上时会出现一个渐变.

,其他浏览器不喜欢".我不知道为什么它不适用于其他浏览器的确切原因 - 我想原因要么是实现细节,要么隐藏在 W3 规范中.

这适用于所有浏览器":

现场演示
(我使用 <base> 标签来使路径工作)

这是您的确切代码,包含在典型的样板文件中,并添加了 <base> 标记.

I'm creating a special UI control using HTML/CSS to mimic the Windows 7 Control Panel buttons. So far, I've got the layout right and now I'd like to add some cosmetics to it.

As seen here, there is a gradient that appears when you hover over the button with your mouse.

http://m.cncfps.com/zack/files/this-control.png

Now, you can see here that I've got the layout done. I'd like to add a :hover effect to the whole div item with a background image.

Currently, here is what I have for the CSS- yet it doesn't work. No image shows up in IE8, or FireFox

EDIT: It works in Chrome, but not in FireFox or IE.

#cp .cp-item:hover
{
    background:url(images/hoverbg.png) repeat-x;
}

It does however work with a background-color rather than an image.

解决方案

  • There's nothing (relevant) wrong with your CSS.
  • The path to your image is correct.

It already works in Chrome.

Chrome seems to be more intelligent (or lenient) than other browsers. If I inspect the page, it's inserting stuff:

It doesn't work in other browsers because you don't have a proper page structure (no doctype, no <html> tag, no <body> tag, etc) - your page doesn't validate, and the other browsers do not "like it". I don't know the exact reason why it doesn't work with the other browsers - I imagine the reason is either an implementation detail, or buried within the W3 spec.

This works in "all browsers":

Live Demo
(I'm using the <base> tag to make the paths work)

It's your exact code, wrapped in typical boilerplate, with the addition of the <base> tag.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

<base href="http://toro.azwestern.edu/~zbl/" />

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>

<body>

<link rel="stylesheet" href="style.css" type="text/css" />

<div id="cp">
    <div class="cp-item"><span>
        <div class="cp-item-icon"><img src="images/syssec.png" title="System and Security" /></div>
        <div class="cp-item-content">
            <h4>System and Security</h4>
            <ul>
                <li><a href="#">item</a></li>

                <li><a href="#">item</a></li>
                <li><a href="#">item</a></li>
                <li><a href="#">item</a></li>
                <li><a href="#">item</a></li>
                <li><a href="#">item</a></li>
            </ul>

        </div>
    </span></div>
</div>

</body>
</html>

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本文标题为:CSS 悬停+背景图片

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