Examine source code of Covid 19

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Covid 19",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-003-8ef09b1ac3637e1c95fa5c504fdf1a5d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(2, 24, 96)",
      "toolbar_text": "rgb(247, 247, 242)",
      "frame": "rgb(242, 243, 248)",
      "tab_background_text": "rgb(5, 0, 6)",
      "toolbar_field": "rgb(190, 216, 114)",
      "toolbar_field_text": "rgb(7, 9, 0)",
      "tab_line": "rgb(1, 232, 236)",
      "popup": "rgb(57, 55, 86)",
      "popup_text": "rgb(247, 245, 248)",
      "tab_loading": "rgb(1, 232, 236)"
    }
  }
}