Examine source code of FA

{
  "name": "FA",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "infinity_artistz____BxscyEriD0M___.jpg"
    },
    "colors": {
      "frame": "rgba(116, 209, 109, 1)",
      "tab_background_text": "rgba(76, 189, 172, 1)",
      "toolbar": "rgba(111, 252, 195, 0.38)",
      "bookmark_text": "rgba(115, 189, 209, 1)",
      "toolbar_field": "rgba(255, 150, 197, 1)",
      "toolbar_field_text": "rgba(70, 194, 128, 0.41)"
    }
  }
}