Css guide Email clients

Desktop See all 11

AOL Desktop Apple Mail 10 IBM Notes 9 Outlook 2000–03 Outlook 2007–16 Outlook Express Outlook for Mac Postbox
Thunderbird Windows 10 Mail Windows Live Mail

Mobile See all 16

Android 4.2.2 Mail Android 4.4.4 Mail AOL Alto Android app AOL Alto iOS app BlackBerry Gmail Android app Gmail Android app IMAP Gmail iOS app
Gmail mobile webmail iOS 10 Mail iOS 11 Mail Outlook Android app Outlook iOS app Windows Phone 8 Mail Yahoo! Mail Android app Yahoo! Mail iOS app

Webmail

AOL Mail G Suite Gmail Outlook.com Yahoo! Mail

Desktop

Thunderbird

Open source email client by the Mozilla Foundation, available for Windows, OS X/macOS, and Linux. Thunderbird displays emails using Gecko, the rendering engine used in the browser Firefox, also by Mozilla.

Tested in Thunderbird 52.3.0 on macOS.

Selectors
E:link
Media Queries
any-hover
any-pointer
hover
max-device-pixel-ratio
min-device-pixel-ratio
pointer
Text & Fonts
@font-face

Partial. User is prompted to download webfont, but only embedded (base64 encoded) fonts display.

EOT
SVG
TTF
WOFF
WOFF2
font-synthesis
text-size-adjust
Filters
backdrop-filter
Columns
break-after
break-before
break-inside
column-fill
column-span

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