Examine source code of k77-1k

{
  "manifest_version": 2,
  "version": "2.2",
  "name": "k77-1k",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(200, 200, 200)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(185, 185, 185)",
      "tab_background_text": "rgb(10, 50, 70)",
      "toolbar_field": "rgb(235, 235, 235)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(10, 150, 214)",
      "popup": "rgb(230, 230, 230)",
      "popup_text": "rgb(0, 0, 0)",
      "icons": "rgb(4, 37, 53)",
      "sidebar_border": "rgb(8, 60, 83)",
      "sidebar_highlight_text": "rgb(2, 25, 35)",
      "sidebar_highlight": "rgba(10, 150, 214, 0.5)",
      "sidebar_text": "rgb(10, 50, 70)",
      "sidebar": "rgb(230, 230, 230)",
      "tab_loading": "rgb(8, 60, 83)",
      "tab_selected": "rgba(10, 150, 210, 0.2)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4859a21e-684c-46e4-aa14-a5dafaa0757a}"
    }
  }
}