Examine source code of Pewdiepie Waves

{
  "name": "Pewdiepie Waves",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "pewdiepie-red-and-black-wavy-background-uhd-4k-wallpaper.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(61, 61, 61, 0.86)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(222, 47, 44, 1)"
    }
  }
}