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Does CSS @media (-webkit-device-pixel-ratio) Work in HTML Email?

Media query that targets devices based on their pixel density or device pixel ratio.

Quick Answer

Does @media (-webkit-device-pixel-ratio) work in HTML email?

The CSS @media (-webkit-device-pixel-ratio) property is supported in Outlook (Mac / Web), Apple Mail, Samsung Email, ProtonMail, and others. It is NOT supported in Gmail, Outlook (Windows), Yahoo! Mail, and others. Always include a safe fallback for unsupported clients.

Which Email Clients Support CSS @media (-webkit-device-pixel-ratio)?

CSS support for @media (-webkit-device-pixel-ratio) across email clients

Email ClientDesktopMobile / WebNotes
Gmail✗ No✗ No—
Outlook (Windows)✗ No?—
Outlook (Mac / Web)✓ Yes✓ Yes—
Apple Mail✓ Yes✓ Yes—
Yahoo! Mail✗ No✗ No—
Samsung Email?✓ Yes—
Thunderbird✗ No?—
ProtonMail✗ No✓ Yes—
Fastmail✓ Yes?—

Notes

  • #1 Buggy. The first rule inside a media query is not prefixed.

Frequently Asked Questions

Related CSS Properties

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@media (-webkit-device-pixel-ratio).

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