Examine source code of colorfull hreme

{
  "name": "colorfull hreme",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "gYebZK8.png"
    },
    "colors": {
      "frame": "rgba(237, 218, 218, 0.03)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(155, 189, 191, 1)",
      "toolbar_field": "rgba(9, 130, 43, 0)",
      "toolbar_field_text": "rgba(219, 219, 219, 1)"
    }
  }
}