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Does CSS margin-inline-start & margin-inline-end Work in HTML Email?

Support for the `margin-inline-start` and `margin-inline-end` css properties.

Quick Answer

Does margin-inline-start & margin-inline-end work in HTML email?

The CSS margin-inline-start & margin-inline-end property is supported in Outlook (Mac / Web), Apple Mail, Samsung Email, ProtonMail. It is NOT supported in Gmail, Outlook (Windows), Yahoo! Mail. Always include a safe fallback for unsupported clients.

Which Email Clients Support CSS margin-inline-start & margin-inline-end?

CSS support for margin-inline-start & margin-inline-end across email clients

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

Frequently Asked Questions

Related CSS Properties

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Paste your HTML and see how it renders in clients that don't support
margin-inline-start & margin-inline-end.

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