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Does CSS max-width Work in HTML Email?
This is the description of the `max-width` property.
Quick Answer
Does max-width work in HTML email?
The CSS max-width property is supported in all major email clients tested. You can use it with confidence in your HTML emails.
Which Email Clients Support CSS max-width?
CSS support for max-width across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✓ Yes | ✓ Yes | — |
| Outlook (Windows) | ~ Partial | ? | — |
| Outlook (Mac / Web) | ✓ Yes | ✓ Yes | — |
| Apple Mail | ✓ Yes | ~ Partial | — |
| Yahoo! Mail | ✓ Yes | ✓ Yes | — |
| Samsung Email | ? | ✓ Yes | — |
| Thunderbird | ✓ Yes | ? | — |
| ProtonMail | ✓ Yes | ✓ Yes | — |
| Fastmail | ✓ Yes | ? | — |
Notes
- #1 Partial. Only works on `<table>` elements.
- #2 Partial. Doesn't work on `<table>` elements, as per [CSS 2.1 specification](https://www.w3.org/TR/CSS2/visudet.html#min-max-widths).
Frequently Asked Questions
Related CSS Properties
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