Examine source code of Full colors crazy

{
  "name": "Mountain, Banff, Alberta",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "dv (1).jpg"
    },
    "colors": {
      "frame": "rgba(114, 146, 219, 1)",
      "tab_background_text": "rgba(77, 255, 0, 1)",
      "toolbar": "rgba(247, 255, 3, 1)",
      "toolbar_field": "rgba(255, 69, 69, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0f0dbda5-479f-42a3-80ee-a7ee93e9fba9}"
    }
  }
}