/Neptune-Firefox

A clean and compact Firefox theme.

Primary LanguageCSSMIT LicenseMIT

Neptune Firefox

Instructions:

  • This theme works for Firefox v132+ and is compatible with both Windows and macOS.
  • To enable adaptive colors, you need to install the Adaptive Tab Bar Color extension.

Preview Image

Installation

  • Download the theme file and unzip the chrome folder into your profile folder.

  • You can modify the wallpaper in the userContent.css file, and edit the file names for the light and dark modes

body {
	background: url("neptune/image/RainbowLight.png") center/cover no-repeat fixed;

	@media (prefers-color-scheme: dark) {
		background: url("neptune/image/RainbowDark.png") center/cover no-repeat fixed;
	}
}

Browser Configuration

  • about:preferences

    • Set appearance to automatic.

  • about:config

    Requirements

    • Set toolkit.legacyUserProfileCustomizations.stylesheets to true.
    • Set svg.context-properties.content.enabled to true.
    • Set widget.non-native-theme.use-theme-accent to true.

    Layout switch

    • sidebar.revamp to true or false.
    • sidebar.verticalTabs to true or false.

  • Adaptive Tab Bar Color settings

    • Turn off all Customization colors,
    • configure advanced
      • light:rgb 246,246,246
      • dark:rgb 56,56,56

ENJOY!