Can you style text highlights with pseudo-elements?

Q: Can you style text highlights with pseudo-elements?

Yes, you can style text highlights using the `::selection` pseudo-element. This pseudo-element targets the portion of text selected by the user, allowing you to customize its appearance without modifying the underlying HTML. `::selection` applies styles to text that the user highlights or selects. You can style properties like `color`, `background-color`, and `text-shadow`. Not all CSS properties are supported; for example, `margin`, `padding`, and `border` generally do not work. It enhances user experience by matching selection styles to your site’s design or theme. p::selection { background-color: #3498db; color: white; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); } This is some selectable text. Try highlighting it to see the custom style. In this example, when the user selects the paragraph text, the background turns blue and the text becomes white with a subtle shadow, enhancing readability and aesthetics. Keep highlight colors with good contrast for readability. Use subtle text shadows to improve visibility if needed. Test across browsers, as older browsers may have partial support for `::selection`. Avoid applying `::selection` to critical UI elements where text selection might interfere with functionality.

Difficulty: 3/10

pseudo-elements, text highlighting, CSS positioning

Styling Text Highlights with ::selection in CSS

Yes, you can style text highlights using the ::selection pseudo-element. This pseudo-element targets the portion of text selected by the user, allowing you to customize its appearance without modifying the underlying HTML.

Key Points

1
::selection applies styles to text that the user highlights or selects.
2
You can style properties like color, background-color, and text-shadow.
3
Not all CSS properties are supported; for example, margin, , and generally do not work.

Example: Custom Text Highlight

In this example, when the user selects the paragraph text, the background turns blue and the text becomes white with a subtle shadow, enhancing readability and aesthetics.

Best Practices

1
Keep highlight colors with good contrast for readability.
2
Use subtle text shadows to improve visibility if needed.
3
Test across browsers, as older browsers may have partial support for ::selection.
4
Avoid applying ::selection to critical UI elements where text selection might interfere with functionality.

Scenario Questions

0-2 years experience

2-5 years experience

1A text highlight we added with ::before is cutting off on mobile — what could be causing it, and how would you debug it?

Follow-up Questions