Examine source code of Deep Blue

{
  "name": "Gabe's Theme",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled3.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 0.48)",
      "toolbar": "rgba(0, 128, 255, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(15, 34, 59, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(120, 183, 255, 0.26)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{814590ab-7c04-4577-9cea-663737d43da3}"
    }
  }
}