Examine source code of Outlander - Jamie

{
  "name": "Outlander - Jamie",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Out-2.jpg"
    },
    "colors": {
      "frame": "#2e1e10",
      "tab_background_text": "rgba(255, 244, 219, 1)",
      "toolbar": "rgba(222, 166, 142, 0.16)",
      "bookmark_text": "rgba(255, 240, 209, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  }
}