white-space-collapse

Controls how white space inside an element is collapsed.

Estimated Support About

12.9% supported

Apple Mail

macOS

10

11

12

13

14

1

iOS

15

1

Gmail

Desktop Webmail

2024-09

iOS

2024-09

Android

2024-09

Mobile Webmail

2024-09

Outlook

Windows

2013

2016

2019

2021

Windows Mail

2024-09

macOS

2024-09

Outlook.com

2024-09

iOS

2024-09

Android

2024-09

Yahoo! Mail

Desktop Webmail

2024-09

iOS

2024-09

Android

2024-09

AOL

Desktop Webmail

2024-09

iOS

2024-09

Android

2024-09

Samsung Email

Android

2024-09

1

Mozilla Thunderbird

macOS

2025-08

Windows

2025-08

ProtonMail

Desktop Webmail

2024-09

iOS

2024-09

Android

2024-09

Fastmail

Desktop Webmail

2024-09

HEY

Desktop Webmail

2024-09

Orange

Desktop Webmail

2024-09

iOS

2024-09

Android

2024-09

LaPoste.net

Desktop Webmail

2025-08

SFR

Desktop Webmail

2024-03

iOS

2024-03

Android

2024-03

GMX

Desktop Webmail

2025-08

iOS

2025-08

Android

2025-08

1&1

Desktop Webmail

2025-08

Android

2025-08

Mail.ru

Desktop Webmail

2024-09

1

WEB.DE

Desktop Webmail

2025-08

iOS

2025-08

Android

2025-08

WP.pl

Desktop Webmail

2025-08