The problem of running below the sidebar to content is usually caused by confusing layout structure, conflicts in CSS styles, plug-in impacts or theme problems. Solutions include: 1. Check whether the HTML structure is correct, ensure that the call order of the main content area and sidebar is reasonable, and avoid other elements; 2. Adjust the CSS width and floating settings to ensure that the sum of widths does not exceed the container, and use the overflow: hidden, flexbox or grid layout to improve stability; 3. Troubleshoot plug-ins or widgets interference, temporarily remove widgets or disable plug-ins, and troubleshoot the source of the problem one by one.

Sometimes when you use WordPress to build a website, you will find that the sidebar inexplicably runs below the content, rather than displaying it on the right or left side normally. This problem is usually not a big problem, but it looks awkward, especially in responsive design.

In fact, there are only a few reasons for this problem: layout structure confusion, CSS style conflict, plug-in impact, or the theme itself. Below I will analyze and give solutions from several common perspectives.

1. Check whether the HTML structure is correct

WordPress themes generally place the main content area and sidebar in two containers, such as .content-area and .widget-area . If the two blocks are not wrapped correctly or in the wrong order, the sidebar will drop below.

You can check this way:

• Log in to the background, go to "Appearance" → "Theme File Editor", and find template files such as index.php or page.php .
• Check whether the main content and sidebar call order are reasonable. For example:

 <div class="content-area">
    <?php the_content(); ?>
</div>
<aside class="widget-area">
    <?php dynamic_sidebar( &#39;sidebar-1&#39; ); ?>
</aside>

• If there are other elements in them (such as ad codes, plug-in outputs), it may destroy the layout.

Recommendation: Keep the content area and sidebar structure clear and do not insert additional divs or script blocks casually. If you are not sure how to change it, you can try to switch the default theme (such as Twenty Twenty-Four) to see if the problem disappears.

2. The CSS width and floating settings are unreasonable

Even if the structure is OK, improper CSS setup will cause the sidebar to fall off. The most common thing is that the sum of widths exceeds the container, or the wrong floating method is used.

You can do this:

• Open the browser developer tool (right-click on the page and select "Check") to view the widths of .content-area and .widget-area .
• Does it add up to more than the parent container? For example, one accounts for 70% and the other accounts for 30%, which adds up just the right amount; but if margin or padding is used, it may overflow.
• Check if float: none; is accidentally overwritten.

Suggestions: Pay attention to the following points when adjusting CSS:

• Add overflow: hidden; prevent floating and collapse.
• Using flexbox or grid layout will be more stable than float.
• You can temporarily add float: right; width: 30%; to .widget-area to see if it can restore normality.

3. Plug-in or gadget interferes with layout

Some plugins will automatically insert content in the sidebar, such as advertising plugins, social media gadgets, etc. These contents may generate additional HTML elements that destroy the original structure.

You can try these methods:

• Go to "Appearance" → "Widgets", temporarily remove all widgets, and refresh the page to see if the problem is still there.
• If the problem disappears, it means it is caused by a gadget. Recover tests one by one to find out the "culprit".
• Some plugins will load their own CSS or JS in the foreground, which may also cause style conflicts. You can try to disable some plug-in testing.

suggestion:

• Try to avoid using complex third-party widgets in the sidebar.
• Manually inserting content using a custom HTML gadget is more controllable and easier to troubleshoot.

Basically, these common reasons and ways to deal with them. Fixing this type of problem does not require too advanced technology. As long as you step by step, you can solve it in most cases.

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