Examine source code of Nebula — Solar Wind

{
  "manifest_version": 2,
  "name": "Nebula — Solar Wind",
  "version": "1.0",
  "description": "Teal cosmic wind sweeping through deep space with gold solar burst cores and dynamic streaks.",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#030608",
      "frame_inactive": "#030608",
      "toolbar": "#030608",
      "toolbar_field": "#050c0e",
      "toolbar_field_text": "#d8f8f5",
      "toolbar_field_border": "#111820",
      "toolbar_field_focus": "#050c0e",
      "toolbar_field_border_focus": "#00e8d8",
      "tab_background_text": "#7080a0",
      "tab_text": "#c0fff8",
      "tab_line": "#00e8d8",
      "tab_loading": "#00e8d8",
      "bookmark_text": "#d8f8f5",
      "button_background_hover": "#111820",
      "button_background_active": "#1a2030",
      "popup": "#050c0e",
      "popup_text": "#d8f8f5",
      "popup_border": "#181828",
      "popup_highlight": "#00e8d8",
      "popup_highlight_text": "#ffffff",
      "sidebar": "#030608",
      "sidebar_text": "#d8f8f5",
      "sidebar_highlight": "#00e8d8",
      "sidebar_highlight_text": "#ffffff",
      "sidebar_border": "#111820",
      "icons": "#8090a8",
      "icons_attention": "#00e8d8",
      "ntp_background": "#030608",
      "ntp_text": "#d8f8f5"
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "140.0",
      "id": "nebula-solar-wind@espressocontext",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}