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Welcome to the CSS Podcast featuring Una and Bramus as your guides, your co-hosts, and your CSS best friends.
In this episode, we dig into two very powerful CSS features: inline conditionals with the if() function, and custom functions.
(Originally aired: October 13, 2025)
Resources:
CSS if() function specification →
Article on if() by Una →
Article on if() by Lea Verou →
CSS mixins specification →
Article on @function by Una →
Article on @function and if() by Bramus →
The CSS Space Toggle by Chris Coyier →
Speakers:
Una Kravets (co-host)
Twitter | Instagram | YouTube
Making the web more colorful ✨🎨 Web DevRel @googlechrome Unicorn face host of @toolsday & Designing in the Browser 🎬
Bramus Van Damme (co-host)
Bluesky | Mastodon | YouTube | Website
@GoogleChrome CSS DevRel; @CSSWG; Scuba Diver 🤿
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2026/09/16
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