如何仅使用CSS重新排序div? [英] How can I reorder my divs using only CSS?

问题描述

给出一个模板，该模板由于其他要求而不能修改HTML，当HTML中的div不在该div顺序中时，如何在另一个div上方显示(重新排列)?这两个div都包含高度和宽度不同的数据.

Given a template where the HTML cannot be modified because of other requirements, how is it possible to display (rearrange) a div above another div when they are not in that order in the HTML? Both divs contain data that varies in height and width.

<div id="wrapper">
    <div id="firstDiv">
        Content to be below in this situation
    </div>
    <div id="secondDiv">
        Content to be above in this situation
    </div>
</div>
Other elements

希望显而易见的是，期望的结果是:

Hopefully it is obvious that the desired result is:

Content to be above in this situation
Content to be below in this situation
Other elements

固定尺寸​​后，可以很容易地将它们放置在需要的位置，但是我需要一些有关内容可变的想法.为了解决这种情况，请考虑将两者的宽度都设为100％.

When the dimensions are fixed it easy to position them where needed, but I need some ideas for when the content is variable. For the sake of this scenario, please just consider the width to be 100% on both.

我专门在寻找仅CSS的解决方案(如果无法解决，可能必须与其他解决方案配合使用).

I am specifically looking for a CSS-only solution (and it will probably have to be met with other solutions if that doesn't pan out).

此后还有其他元素.考虑到我展示的场景有限，提到了一个很好的建议-可能是最好的答案，但是我也希望确保遵循此条件的元素不会受到影响.

There are other elements following this. A good suggestion was mentioned given the limited scenario I demonstrated—given that it might be the best answer, but I am looking to also make sure elements following this aren't impacted.

推荐答案

此解决方案仅使用CSS并处理可变内容

This solution uses only CSS and works with variable content

#wrapper   { display: table; }
#firstDiv  { display: table-footer-group; }
#secondDiv { display: table-header-group; }

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