Examine source code of hulk aesthetic.

{
  "name": "hulk aesthetic.",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2022-03-29 at 01-33-44 Firefox Color.png"
    },
    "colors": {
      "frame": "rgba(54, 35, 73, 1)",
      "tab_background_text": "rgba(208, 203, 214, 1)",
      "toolbar": "rgba(36, 91, 54, 1)",
      "bookmark_text": "rgba(208, 203, 214, 1)",
      "toolbar_field": "rgba(54, 35, 73, 1)",
      "toolbar_field_text": "rgba(208, 203, 214, 1)",
      "tab_line": "rgba(36, 91, 54, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a4d0b78a-668a-415e-b1d1-d7374051f2d8}"
    }
  }
}