Andrew Odri

This is a very easy way to force all messages to be rendered with the same font family and size in Gmail without having to install a browser extension. Perhaps you are like me and are now sick of receiving emails with text so massive you cannot read them; this should help you out.

In Google Chrome (and almost every other browser) you have the ability to define a user stylesheet that will be applied to every page by default. By adding a style that forces every element in the email to conform to the same font family and size, you will consistent looking emails in your browser without a massive overhead.

  1. First, locate your user stylesheet file.
    • On Mac OS X, this can be found at ~/Library/Application Support/Google/Chrome/Default/User StyleSheets/Custom.css.
    • On Windows 7, it can be found at C:\Users\Username\AppData\Local\Google\Chrome\User Data\Default\User StyleSheets\Custom.css.
  2. Open this file, and paste the following text into it:
    .aao .nH .ii, .aao .nH .ii * {
         font-size: 12px ! important;
         font-family: monospace ! important;
  3. Save the file, open Google Chrome, log in to your Gmail account, and open any message.

Of course, the font family and size can be replaced with whatever values you prefer. I hope this helps save you some time and frustration!

by Marv Hawkins

This info for changing the font size in Chrome and Gmail is way too complicated — as compared with Internet Explorer. Surely there is an easier method.

by vid (@…..)

What happens if you update your Chrome? The css file will be replaced with the new one most probably.

by frances haner

This is awful! The print in my emails is TOO SMALL! I think I’ll go back to internet explorer.

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