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

Text & Fonts

font-size

Desktop
  • AOL Desktop
  • Apple Mail 10
  • IBM Notes 9

    Partial. Supports px, pt, pc, and keywords, but not other units.

  • Outlook 2000–03
  • Outlook 2007–16
  • Outlook Express
  • Outlook for Mac
  • Postbox
  • Thunderbird
  • Windows 10 Mail
  • Windows Live Mail
Mobile
  • Android 4.2.2 Mail
  • Android 4.4.4 Mail
  • AOL Alto Android app
  • AOL Alto iOS app
  • BlackBerry
  • Gmail Android app

    Partial. Doesn’t support all keywords.

  • Gmail Android app IMAP

    Partial. Doesn’t support all keywords.

  • Gmail iOS app
  • Gmail mobile webmail
  • iOS 10 Mail

    By default, minimum font size is 13px. Use -webkit-text-size-adjust: 100%; to override.

  • iOS 11 Mail

    By default, minimum font size is 13px. Use -webkit-text-size-adjust: 100%; to override.

  • 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
Resources

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