Examine source code of Zelgadis from Slayers

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Zelgadis from Slayers",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0)",
      "toolbar_text": "rgb(224, 233, 236)",
      "frame": "rgb(9, 36, 59)",
      "tab_background_text": "rgb(151, 227, 240)",
      "toolbar_field": "rgb(38, 72, 102)",
      "toolbar_field_text": "rgb(161, 240, 255)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgb(113, 188, 212)",
      "ntp_background": "rgb(78, 109, 135)",
      "toolbar_top_separator": "rgba(210, 221, 232, 0)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  }
}