← CSS Support IndexDoes CSS
Does CSS :active Work in HTML Email?
Styles an element while it is being activated, such as while a button is being pressed.
Quick Answer
Does :active work in HTML email?
The CSS :active property is supported in Outlook (Mac / Web), Yahoo! Mail, Thunderbird, ProtonMail, and others. It is NOT supported in Gmail, Outlook (Windows). Always include a safe fallback for unsupported clients.
Which Email Clients Support CSS :active?
CSS support for :active across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✗ No | ✗ No | — |
| Outlook (Windows) | ✗ No | ? | — |
| Outlook (Mac / Web) | ✓ Yes | ✓ Yes | — |
| Apple Mail | ~ Partial | ✗ No | — |
| Yahoo! Mail | ✓ Yes | ✓ Yes | — |
| Samsung Email | ? | ✗ No | — |
| Thunderbird | ✓ Yes | ? | — |
| ProtonMail | ✓ Yes | ✓ Yes | — |
| Fastmail | ✓ Yes | ? | — |
Notes
- #1 Partial. Only supported on type selectors.
- #2 Partial. Supported with mouse clicks. Not supported with keyboard input.
Frequently Asked Questions
Related CSS Properties
Test Your Email Now
Paste your HTML and see how it renders in clients that don't support :active.