Examine source code of Ethereal Night

{
  "manifest_version": 3,
  "name": "Ethereal Night",
  "version": "1.0",
  "description": "A serene theme inspired by the beauty of the night sky.",
  "theme": {
    "colors": {
      "frame": "#1A1A2E",
      "toolbar": "#16213E",
      "toolbar_text": "#E94560",
      "tab_background_text": "#FFFFFF",
      "tab_text": "#E94560",
      "tab_background": "#0F3460",
      "button_background": "#E94560",
      "button_hover": "#F9AFAF",
      "background_tab": "#1A1A2E",
      "background": "#FFFFFF",
      "popup": "#16213E",
      "popup_text": "#FFFFFF"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ethereal.night@randommail.com"
    }
  },
  "icons": {
    "48": "icon.png"
  },
  "homepage_url": "https://etherealnight.com"
}