Examine source code of Dark Blue Hint

{
  "name": "Dark Hint",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "black-and-blue-hexagonal-pattern-banner-vector.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(161, 187, 204, 1)",
      "toolbar": "rgba(48, 48, 48, 1)",
      "bookmark_text": "rgba(28, 145, 255, 1)",
      "toolbar_field": "rgba(64, 64, 64, 1)",
      "toolbar_field_text": "rgba(28, 145, 255, 1)"
    }
  }
}