List of Gmail supported CSS Properties & Media Queries
A list of all CSS properties supported in Gmail and Inbox.
Gmail HTML codes
Gmail clips emails exceeding a file size of 102KB
If your email exceeds 102KB in file size, Gmail will display the first 102KB along with the the message “[Message clipped] View entire message”.
Remove gaps between images in Gmail and Yahoo! Mail
Gmail and Yahoo! Mail add a spacing between images. This issue first showed up when viewing emails in Firefox and later spread across other modern browsers including IE, Chrome, Opera, and Safari.
Prevent borders on linked images
Some email clients and webmail services such as AOL Mail, Gmail, Lotus, Outlook, Thunderbird, and Windows Mail will display a blue or black border around images that are linked but don’t have a border specified.
