Examine source code of ok

{
  "name": "smoth",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "praxistipps.s3.amazonaws.com_indesign-farbverlauf-erstellen-quelle-pixabay-_4aa5a6a4.jpg"
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.38)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(0, 0, 0, 0.59)",
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)"
    }
  }
}