How to Left-Align the Last Row in a Multi-Line Flexbox Container?

How to Left-Align Last Row of Multi-Line Flexbox Containers

Flexbox layouts provide a powerful method for organizing content into rows and columns. However, when working with multiple-line layouts, ensuring that the last row is left-aligned can pose challenges.

The Problem:

Consider a layout like a grid of images, where we want to evenly distribute items using flexbox. By default, the justify-content: space-around property will center items in the last row if it contains fewer elements than other rows. This breaks the intended grid effect.

The Solution:

To left-align the last row, we can introduce "empty space" elements that collapse vertically and occupy space in the container.

Steps:

1. Create empty space elements: Add div elements to the HTML with the class "filling-empty-space-childs".
2. Style the empty space elements: Apply the following CSS rules:

<code class="css">.filling-empty-space-childs {
    width: [image width];
    height: 0;
}</code>

3. Set flexbox properties: Ensure that the container has the following properties:

<code class="css">display: flex;
flex-wrap: wrap;
justify-content: space-around;</code>

How it Works:

The empty space elements will collapse vertically since their height is zero. When the last row has fewer elements than other rows, these empty space elements will occupy the remaining space, effectively left-aligning the items in the last row.

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