Tabs
Opal Thick Underline
A thick underline drifts between tabs while its opal gradient keeps shifting.
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Report an issue or fixHow to use Opal Thick Underline
- 1. Paste the HTML snippet where the effect should appear.
- 2. Add the CSS to your stylesheet or a
<style>block. - 3. Adjust colors, timing, and sizing in the browser editor.
This pure-CSS effect has no dependencies and is free to use in personal and commercial projects.