Examine source code of Yellow acacia

{
  "name": "akacia",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "akacia.jpg"
    },
    "colors": {
      "toolbar": "rgba(191, 185, 185, 0.15)",
      "toolbar_field": "rgba(173, 168, 168, 0.32)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "frame": "rgba(30, 30, 31, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)"
    }
  }
}