Examine source code of sandals

{
  "name": "sandals",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "images2.jpg"
    },
    "colors": {
      "frame": "rgba(44, 180, 207, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(235, 202, 94, 1)"
    }
  }
}