Examine source code of Rick And Morty simple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rick And Morty",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(201, 255, 186)",
      "toolbar_text": "rgb(0, 179, 213)",
      "frame": "rgb(122, 207, 47)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(208, 255, 138)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(52, 160, 0)",
      "popup": "rgb(222, 231, 156)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(52, 160, 0)"
    }
  }
}