HTML comments

Adds explanatory notes to the code or to prevent the browser from interpreting specific parts of the style sheet

Estimated Support About

56.1% supported

Apple Mail

macOS

2024-04

iOS

2024-04

Gmail

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

Mobile Webmail

2024-04

Outlook

Windows

2013

2016

2019

2021

Windows Mail

2024-04

macOS

2024-04

Outlook.com

2024-04

2024-01

iOS

2024-04

Android

2024-04

Yahoo! Mail

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

AOL

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

Samsung Email

Android

2024-04

Mozilla Thunderbird

macOS

2024-04

ProtonMail

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

Fastmail

Desktop Webmail

2024-04

HEY

Desktop Webmail

2024-04

Orange

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

LaPoste.net

Desktop Webmail

2024-04

SFR

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

GMX

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

1&1

Desktop Webmail

2024-04

Android

2024-04

Mail.ru

Desktop Webmail

2024-04

WEB.DE

Desktop Webmail

2024-04

iOS

2024-04

Android

2024-04

WP.pl

Desktop Webmail

2024-08