How to Force Flexbox Lists to Wrap at Specific Positions?

How to Break Flexbox Lists in Specific Positions

You encounter a situation where you want to break flexbox lists at specific positions after certain elements, enhancing the responsiveness of your layout. While the flexbox standard doesn't explicitly support this, there's a trick you can employ.

CSS Magic

To force wrapping after a particular element, add the following CSS to the container:

<code class="css">ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
}</code>

Next, add this CSS to the element after which you want the wrap to occur:

<code class="css">li:nth-child(4n) {
  flex-basis: 100%;
}</code>

Where "4n" represents the position of the element in the list (e.g., 4n means the fourth element, eighth element, etc.).

Code Example

For instance, consider the following HTML markup:

<code class="html"><ul>
    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
</ul></code>

And the accompanying CSS:

<code class="css">ul {
    display: flex;
    flex-wrap: wrap;
}

li:nth-child(2n) {
    flex-basis: 100%;
}</code>

This setup will force the list to wrap after every second element, resulting in a responsive layout that adapts to different screen sizes.

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