How to Fix CSS Pseudo Element Rotation Issues When Toggling Classes

Learn how to resolve issues with rotating CSS pseudo elements by setting the display property correctly for effective class toggling.
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Troubleshooting CSS Pseudo Element Rotation

Have you ever tried to animate a CSS pseudo element but faced some frustrating issues? If you’re dealing with a triangle shape that isn’t rotating as expected, you’re not alone! This guide will explore the problem of a non-rotating CSS triangle and provide a clear solution to get it working seamlessly. Let’s dive in!

The Problem: Why Isn't the Triangle Rotating?

Imagine you have a simple HTML setup with a span element and a CSS triangle (created using a pseudo element). The goal is to rotate this triangle 90 degrees when the span is clicked, and then return to its original position on the next click. However, the rotation doesn’t occur as intended. What could be going wrong?

In this particular scenario, the user is experiencing issues with the triangle not rotating appropriately when the class collapsed is toggled. The current code looks like this:

[[See Video to Reveal this Text or Code Snippet]]

The associated CSS is intended to handle the rotation:

[[See Video to Reveal this Text or Code Snippet]]

Key Observations

The rotation would only apply when the collapsed class is added.

The CSS styling appears correct, and the JavaScript responsible for toggling looks fine too.

The Solution: Set Display Property

Upon investigating the CSS used, the root cause of the problem becomes evident: the CSS pseudo element is not rotating due to its display property. To enable the rotation properly, you need to set the display property to inline-block. Here’s the revised CSS snippet:

[[See Video to Reveal this Text or Code Snippet]]

Why inline-block?

The inline-block display value allows the pseudo element to maintain its dimensions and position during transformations. By setting this property, the triangle will respect the transform animations applied to it and thus rotate as intended.

Summary

In summary, if your CSS pseudo element isn’t rotating as you’d like, it may be due to the lack of inline-block display setting. Always ensure that pseudo elements are appropriately styled to allow for smooth visual transitions.

Now your triangle should effortlessly rotate on click, enhancing the interactivity of your UI. Happy coding!