Examine source code of Winter Window by M♥Donna

{
  "name": "Winter Window by M♥Donna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Out the WindowH3 (Custom).jpg"
    },
    "colors": {
      "frame": "rgba(132, 102, 66, 1)",
      "tab_background_text": "rgba(255, 245, 245, 1)",
      "toolbar": "rgba(133, 104, 66, 0)",
      "bookmark_text": "rgba(255, 247, 247, 1)",
      "toolbar_field": "rgba(133, 104, 66, 0.08)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  }
}