Examine source code of Front Page

{
  "name": "Front Page",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Front Page.jpg"
    },
    "colors": {
      "toolbar_field": "rgba(242, 72, 219, 1)",
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(56, 75, 217, 1)"
    }
  }
}