← CSS Support IndexDoes CSS
Does CSS :target Work in HTML Email?
Styles an element that is the current URL fragment target.
Quick Answer
Does :target work in HTML email?
The CSS :target property is supported in Outlook (Mac / Web), Yahoo! Mail, Samsung Email, Thunderbird, and others. It is NOT supported in Gmail, Outlook (Windows), Apple Mail, and others. Always include a safe fallback for unsupported clients.
Which Email Clients Support CSS :target?
CSS support for :target across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✗ No | ✗ No | — |
| Outlook (Windows) | ✗ No | ? | — |
| Outlook (Mac / Web) | ✓ Yes | ✓ Yes | — |
| Apple Mail | ✗ No | ✗ No | — |
| Yahoo! Mail | ✓ Yes | ✓ Yes | — |
| Samsung Email | ? | ✓ Yes | — |
| Thunderbird | ✓ Yes | ? | — |
| ProtonMail | ✗ No | ✓ Yes | — |
| Fastmail | ✗ No | ? | — |
Notes
- #1 Partial. Only supported on type selectors.
- #2 Buggy. Not filtered but doesn't work.
Frequently Asked Questions
Test Your Email Now
Paste your HTML and see how it renders in clients that don't support :target.
Building a new email instead of checking an existing one? MailViewr's Email Builder only lets you use CSS that's known to render across clients, so :target can't sneak into your markup by accident. Open the Email Builder →