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

Color & Background

background

Desktop
  • AOL Desktop

    Partial. Fixed attachment is not supported.

  • Apple Mail 10
  • IBM Notes 9
  • Outlook 2000–03

    Partial. Slash syntax values are not supported.

  • Outlook 2007–16
  • Outlook Express

    Partial. Values containing background images are not supported.

  • Outlook for Mac
  • Postbox

    Partial. Slash syntax values are not supported.

  • Thunderbird
  • Windows 10 Mail
  • Windows Live Mail

    Partial. Values containing background images are not supported.

Mobile
  • Android 4.2.2 Mail

    Partial. Slash syntax values are not supported.

  • Android 4.4.4 Mail

    Partial. Fixed attachment is not supported.

  • AOL Alto Android app

    Partial. Fixed attachment is not supported.

  • AOL Alto iOS app
  • BlackBerry

    Partial. Fixed attachment is not supported.

  • Gmail Android app

    Partial. Fixed attachment is not supported.

  • Gmail Android app IMAP

    Partial. Background images are not supported.

  • Gmail iOS app
  • Gmail mobile webmail
  • iOS 10 Mail
  • iOS 11 Mail
  • Outlook Android app

    Partial. Fixed attachment is not supported.

  • Outlook iOS app
  • Windows Phone 8 Mail

    Partial. Seems to only support background colors.

  • Yahoo! Mail Android app

    Partial. Seems to only support background colors.

  • Yahoo! Mail iOS app

    Partial. Slash syntax values are not supported.

Webmail
  • AOL Mail
  • G Suite
  • Gmail
  • Outlook.com
  • Yahoo! Mail

    Buggy. For slash syntax values, it removes the slash character, making the value invalid.

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