Examine source code of dramiz - Steam Red

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "dramiz - Steam Red",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(25, 37, 54)",
      "toolbar_text": "rgb(255, 0, 0)",
      "frame": "rgb(22, 29, 37)",
      "tab_background_text": "rgb(109, 109, 109)",
      "toolbar_field": "rgb(22, 29, 37)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 0, 0)",
      "popup": "rgb(25, 37, 54)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_selected": "rgb(255, 0, 0)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e676e8b4-0906-4213-8d59-eb1071ebc22f}"
    }
  }
}