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Does CSS Grouping selectors Work in HTML Email?
Grouping selectors (`.foo, .bar`) allows to apply the same styles to the different corresponding elements.
Quick Answer
Does Grouping selectors work in HTML email?
The CSS Grouping selectors property is supported in all major email clients tested. You can use it with confidence in your HTML emails.
Which Email Clients Support CSS Grouping selectors?
CSS support for Grouping selectors across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✓ Yes | ~ Partial | — |
| Outlook (Windows) | ✓ Yes | ? | — |
| Outlook (Mac / Web) | ✓ Yes | ✓ Yes | — |
| Apple Mail | ✓ Yes | ✓ Yes | — |
| Yahoo! Mail | ✓ Yes | ✓ Yes | — |
| Samsung Email | ? | ✓ Yes | — |
| Thunderbird | ✓ Yes | ? | — |
| ProtonMail | ✗ No | ✓ Yes | — |
| Fastmail | ✓ Yes | ? | — |
Notes
- #1 Partial. Not supported with non Google accounts.
- #2 Buggy. The first `<head>` in the HTML is removed, so `<style>` elements need to be in a second `<head>` element.
- #3 Partial. Only when used as class or ID selectors
Frequently Asked Questions
Related CSS Properties
Test Your Email Now
Paste your HTML and see how it renders in clients that don't support Grouping selectors.