Awesome Open Source
Awesome Open Source


Install directly with Stylus GitHub tag (latest SemVer)

A dark/night theme for Facebook's inbox/messages and

Coloured chat bubbles can be turned on/off.


  1. Install the Stylus extension if you haven't already.
  2. Install the UserCSS here.


Coloured Chat Bubbles Enabled (with Darker Default Blue)

Coloured Chat Bubbles Disabled

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Css (210,212
Theme (6,119
Dark Theme (1,488
Userstyle (253
Facebook Messenger (169
Usercss (126
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