Скачать или смотреть How to Make CSS input[type="radio"] 'Checked' State Work with Images

Discover how to resolve the issue with CSS input radio buttons in your WordPress form, ensuring the selected image remains highlighted after selection.
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This video is based on the question https://stackoverflow.com/q/75638656/ asked by the user 'danielkalinin' ( https://stackoverflow.com/u/19949454/ ) and on the answer https://stackoverflow.com/a/75638689/ provided by the user 'Rory McCrossan' ( https://stackoverflow.com/u/519413/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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The CSS Radio Button Dilemma

If you’re working with a radio button form in your WordPress plugin and trying to create a more engaging experience, you might encounter a specific problem: maintaining the size of a selected image when the corresponding radio button is checked. This isn’t just a matter of aesthetics; it’s about providing clear feedback to users about their selections.

In this post, we'll explore how to effectively manage the styling of radio inputs with CSS, ensuring that selected images appear larger and more pronounced until the user makes a different choice.

What’s the Problem?

You've created a mood barometer using radio buttons where each option is represented by an image, and you want that image to not only enlarge on hover but also stay enlarged when the image is clicked and selected.

However, you're likely facing issues with the input[type="radio"]:checked selector not working as intended. The core of this issue is that the CSS you’ve applied does not manage the selected state for the images as you would expect.

The Solution

The good news is that you can easily fix this issue with an additional style rule in your CSS. Let’s break down the steps required to create this effective solution.

Step 1: Understand Your Current CSS

Here’s what your current CSS might look like:

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

As you can see, the hover effect is working because it enlarges the image upon hovering. However, there’s no rule that maintains this enlargement when a radio input is checked.

Step 2: Add CSS for Checked State

To fix this, you need to target the checked state of the radio input, and adjust the styling for the corresponding label’s image. Add the following CSS rule:

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

Complete CSS Example

Here’s how your complete CSS will look after making the adjustments:

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

Step 3: Key Takeaways

Selector Specificity: It's better to use specific selectors rather than relying heavily on !important. This practice enhances code readability and maintainability.

Understand Sibling Selectors: The ~ combinator allows you to style a sibling element based on the state of an input, which is a powerful tool in CSS for creating interactive interfaces.

Testing: Once you've made these adjustments, be sure to test the radio buttons thoroughly to ensure interaction works seamlessly across various browsers.

Conclusion

By applying the above CSS adjustments, you can enhance user interaction with your radio buttons in WordPress, creating an engaging mood barometer with images that resonate with your users’ choices. With selected images now larger and more distinguishable, your form's interface should feel significantly more interactive and user-friendly.

For any further questions or for a deeper dive into CSS practices, feel free to explore more posts and resources on our blog!