user_pref("browser.anchor_color", "#bec1cb"); user_pref("browser.display.background_color", "#0a0b13"); user_pref("browser.display.foreground_color", "#bec1cb"); user_pref("browser.visited_color", "#5A6E86"); user_pref("extensions.activeThemeID", "{eb8c4a94-e603-49ef-8e81-73d3c4cc04ff}");