Examine source code of Bad Blues

{
  "name": "Bad Blues",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "wp3144264.png"
    },
    "colors": {
      "frame": "rgba(2, 98, 140, 1)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar": "rgba(2, 85, 140, 0)",
      "bookmark_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(196, 196, 205)",
      "toolbar_field_text": "rgb(9, 9, 9)"
    }
  }
}