Examine source code of Deep Frost

{
  "name": "Deep Frost",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "200x2000_transparent.png"
    },
    "colors": {
      "frame": "rgba(0, 4, 40, 1)",
      "tab_background_text": "rgba(0, 78, 146, 1)",
      "toolbar": "rgba(1, 33, 61, 1)",
      "bookmark_text": "rgba(0, 153, 255, 1)",
      "toolbar_field": "rgba(0, 4, 40, 1)",
      "toolbar_field_text": "rgba(0, 153, 255, 1)"
    }
  }
}