Examine source code of Warm Up By The Fireplace

{
  "name": "Warm Up By The Fireplace",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Fireplace.jpg"
    },
    "colors": {
      "frame": "#1c1c1c",
      "tab_background_text": "#ffeab0",
      "toolbar": "rgba(255, 237, 219, 0.09)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(255, 241, 227, 1)"
    }
  }
}