# Theme Developer Tutorial: 3. CSS in Themes

**URL:** https://meta.discourse.org/t/theme-developer-tutorial-3-css-in-themes/357798
**Category:** Developer Guides
**Created:** [March 18, 2025, 3:59pm UTC](https://meta.discourse.org/t/theme-developer-tutorial-3-css-in-themes/357798 "2025-03-18T15:59:09Z")
**Posts on this page:** 1
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### Author: ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)
#### Post date: [March 18, 2025, 11:50pm UTC](https://meta.discourse.org/t/theme-developer-tutorial-3-css-in-themes/357798/6 "2025-03-18T23:50:32Z")

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Entirely up to you. They’re synonyms in our theme compiler, and we don’t have any plans to deprecate scss right now.

(If we did decide to deprecate, you’d get plenty of warning)

This only applies to themes. Plugins have always used /stylesheets as the convention.

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