Mastodon-documentation/Running-Mastodon/Customizing.md

Customizing your instance

Customizing style

If you create app/assets/stylesheets/custom.scss, the default css will be replaced by the content in custom.scss.

Changing colors

If you want to customize for example the vibrant color of your mastodon instance, you can put the following code in your custom.scss file :

$color4: #d3d900; // vibrant

@import 'application';

Don't forget to recompile your assets and restart mastodon(if you didn't have a custom.scss file before) to see the changes.