Examine source code of Neon Dark Gradient

{
  "name": "Neon Dark Gradient",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "idk2.png"
    },
    "colors": {
      "frame": "rgba(115, 134, 176, 0.73)",
      "tab_background_text": "rgba(51, 51, 51, 1)",
      "toolbar": "rgba(66, 66, 66, 0.31)",
      "bookmark_text": "rgba(133, 101, 128, 1)",
      "toolbar_field": "rgba(94, 153, 144, 0.49)",
      "toolbar_field_text": "rgba(56, 38, 55, 1)"
    }
  }
}