Examine source code of stggc gup

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "stggc",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(198, 179, 19, 0)",
      "toolbar_text": "rgb(236, 195, 7)",
      "frame": "rgb(64, 211, 70)",
      "tab_background_text": "rgb(250, 12, 12)",
      "toolbar_field": "rgba(64, 203, 182, 0)",
      "toolbar_field_text": "rgb(83, 93, 62)",
      "tab_line": "rgb(16, 18, 18)",
      "popup": "rgb(24, 22, 22)",
      "popup_text": "rgb(235, 25, 28)",
      "tab_loading": "rgb(16, 18, 18)"
    }
  }
}