Examine source code of Astral Journey Theme

{
  "manifest_version": 2,
  "name": "Astral Journey",
  "version": "1.1",
  "description": "A mystical Firefox theme inspired by astral projection – float beyond your body into cosmic dreamscapes and infinite space.",
  "author": "Astral Journey Theme",
  "theme": {
    "images": {
      "theme_frame": "images/headerBackground.png"
    },
    "colors": {
      "frame": "#0a0e2a",
      "tab_background_text": "#c8d8ff",
      "toolbar": "#0d1433cc",
      "toolbar_text": "#e8eeff",
      "toolbar_field": "#1a2050",
      "toolbar_field_text": "#dce8ff",
      "toolbar_field_border": "#3a4a8a",
      "toolbar_field_focus": "#243070",
      "toolbar_field_text_focus": "#ffffff",
      "toolbar_field_border_focus": "#7a8fff",
      "tab_line": "#6a3fa0",
      "tab_loading": "#7a8fff",
      "tab_selected": "#1a2560",
      "tab_text": "#c8d8ff",
      "bookmark_text": "#c8d8ff",
      "ntp_background": "#080c22",
      "ntp_text": "#c8d8ff",
      "popup": "#0d1433",
      "popup_text": "#e8eeff",
      "popup_border": "#3a4a8a",
      "popup_highlight": "#1e2d6e",
      "popup_highlight_text": "#ffffff",
      "sidebar": "#0a0e2a",
      "sidebar_text": "#c8d8ff",
      "sidebar_highlight": "#1a2560",
      "sidebar_highlight_text": "#ffffff",
      "sidebar_border": "#2a3a6a",
      "button_background_hover": "#1e2d6e",
      "button_background_active": "#263580",
      "icons": "#a0b4ff",
      "icons_attention": "#6a3fa0"
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "astralreisen-theme@cosmic.journey",
      "strict_min_version": "100.0"
    }
  },
  "icons": {
    "128": "images/icon128.png"
  }
}