Examine source code of LA Rams at Coliseum

{
  "name": "LA Rams at Coliseum",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "LA Rams at Coliseum.jpg"
    },
    "colors": {
      "frame": "rgba(32, 81, 179, 1)",
      "tab_background_text": "rgba(245, 238, 142, 1)",
      "toolbar": "rgba(13, 24, 102, 1)",
      "bookmark_text": "rgba(250, 250, 160, 1)",
      "toolbar_field": "rgba(36, 108, 166, 1)",
      "toolbar_field_text": "rgba(250, 250, 165, 1)"
    }
  }
}