Examine source code of Wood Classic

{
  "name": "Wood Classic",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "wood.png"
    },
    "colors": {
      "frame": "rgba(224, 164, 0, 1)",
      "tab_background_text": "rgba(255, 228, 181, 1)",
      "toolbar": "rgba(26, 14, 0, 0.34)",
      "bookmark_text": "rgba(205, 164, 52, 1)",
      "toolbar_field": "rgba(45, 21, 0, 1)",
      "toolbar_field_text": "rgba(255, 208, 115, 1)",
      "tab_line": "rgba(61, 32, 0, 1)"
    }
  }
}