Examine source code of Roronoa Zoro

{
  "name": "Roronoa Zoro",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0.83)",
      "tab_background_text": "rgba(16, 87, 22, 0.86)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(31, 235, 17, 1)",
      "toolbar_field": "rgba(36, 181, 14, 0.21)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}