html - 框宽度 100% 的 CSS3 问题

Question

我在显示一些 CSS3 框时遇到问题，其中宽度设置为 100% 但没有完全显示，我确定我在某处犯了错误，但我不确定在哪里 :)。

您会在 HTML 代码和 CSS 中看到有两个框:“Box”和“Boxgray”

box div 一直到 100% 但 boxgray 不是...我希望 boxgray 的宽度相同。

这是我的代码的链接:

http://jsfiddle.net/gEtp6/2/

谢谢

<div class="box" style="background-color:#DDDDDD;background-image:-webkit-linear-gradient(top, #FFFFFF 5%, #F0F0FF 70%, #E3E7F7 100%);">
        <h1>Download Our Software</h1>

        Download Our Software

    </div>

    <div class="boxgray" style="width:283px; height:180px;">
        <h2><img src="images/windows.png" alt="Download for Windows">
            <a href="Install.exe" onclick="javascript: pageTracker._trackPageview('download.kit.Windows');" >Windows Installer</a></h2>
        No requirements.
    </div>

    <div class="boxgray" style="width:283px; height:180px;">
        <h2><img src="images/linux.png" alt="Download for Linux">
            <a href="Install.jar" onclick="javascript: pageTracker._trackPageview('download.kit.Linux');" >Linux</a></h2>
        Java 1.6 or later required.
    </div>

    <div class="boxgray" style="width:283px; height:180px;">
        <h2><img src="images/mac.png" alt="Download for Mac">
            <a href="InstallMac.dmg" onclick="javascript: pageTracker._trackPageview('download.kit.mac');" >Mac</a></h2>
        <small>On MacOS 10.8 you have to set in System Preferences / Security & Privacy / Allow Applications from Anywhere. We are working to fix this issue.</small>
    </div>

    <div class="box" style="width:100%">
        <h2>Alternative Download</h2>
        For all platforms you can download a <a href="asd.zip" onclick="javascript: pageTracker._trackPageview('download.kit.zip');" >zip package</a>.
        Java 1.6 or later is required.
        <p>
        In case of problems with the downloaded package or any issue with the software please <a href="support.html">let us know</a>.
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        <p>
        <h2>Connect asdasdasd</h2>
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        In this cases please <a href="support.html">write us</a>. 


    </div>

Answer 1

尝试固定 box 的宽度，例如:

.box{
    width: 1024px;
}

正常情况下它可以正常工作。