background-size

Estimated Support About

75.61% + 4.88% = 80.49%

Apple Mail

macOS

12.4

iOS

12.1

Gmail

Desktop Webmail

2019-02

iOS

2019-02
1

Android

2019-02
1

Mobile Webmail

2020-02

Outlook

Windows

2007
3
2010
3
2013
3
2016
3
2019
3

Windows Mail

2019-02

macOS

2019-02
16.80

Outlook.com

2019-02

iOS

2019-02

Android

2019-02

Yahoo! Mail

Desktop Webmail

2019-02
2

iOS

2019-02
2

Android

2019-02
2

AOL

Desktop Webmail

2019-02
2

iOS

2019-02
2

Android

2019-02
2

Samsung Email

Android

5.0.10.2
6.0.04.6

Mozilla Thunderbird

macOS

60.5.0

ProtonMail

Desktop Webmail

2020-03

iOS

2020-03

Android

2020-03

Fastmail

Desktop Webmail

2021-07

HEY

Desktop Webmail

2020-06

Orange

Desktop Webmail

2019-08
2021-03

iOS

2019-08
2024-04

Android

2019-08
2024-04

LaPoste.net

Desktop Webmail

2021-08

SFR

Desktop Webmail

2019-08

iOS

2019-08

Android

2019-08

GMX

Desktop Webmail

2022-06

iOS

2022-06

Android

2022-06

1&1

Desktop Webmail

2022-06

Android

2022-06

Mail.ru

Desktop Webmail

2020-10

WEB.DE

Desktop Webmail

2022-06

iOS

2022-06

Android

2022-06

WP.pl

Desktop Webmail

2024-11

Notes

  • 1

    Partial. Not supported with non Google accounts. But it can be used in the background shorthand property instead.

  • 2

    Partial. Does not support multiple values. The comma between two values is removed.

  • 3

    Background images size can be used in VML with the size attribute. See VML documentation.

Know something we don't?

Is any of the above data outdated? Or do you want to add a new email client to the list? Heads on to GitHub and edit the data file!

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Test it yourself

This feature was last tested on February 28, 2019.

If you want to test this feature in the same conditions as we did, you can get our test code and run a test by yourself. Make sure to follow our testing recommendations first.

View the test code