Examine source code of devnity

{
  "name": "devnity",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Rectangle 1.png"
    },
    "colors": {
      "frame": "rgba(11, 25, 54, 1)",
      "tab_background_text": "rgba(247, 158, 191, 1)",
      "toolbar": "rgba(14, 41, 97, 1)",
      "bookmark_text": "rgba(255, 112, 167, 1)",
      "toolbar_field": "rgba(11, 25, 54, 1)",
      "toolbar_field_text": "rgba(227, 224, 225, 1)",
      "tab_line": "rgba(255, 112, 167, 1)"
    }
  }
}