Examine source code of Gold Detail

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gold Detail",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "left top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 235, 208, 0.05)",
      "toolbar_text": "rgb(255, 220, 172)",
      "frame": "rgb(37, 38, 43)",
      "tab_background_text": "rgb(252, 230, 199)",
      "toolbar_field": "rgba(37, 38, 43, 0.38)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 192, 106)",
      "popup": "rgb(37, 38, 43)",
      "popup_text": "rgb(255, 231, 198)",
      "tab_loading": "rgb(255, 192, 106)"
    }
  }
}