Examine source code of Polygonal Paradise

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Polygonal Paradise",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-028-5466583598afcc175c90e35aceb1246b.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(5, 50, 85, 0.8)",
      "toolbar_text": "rgb(157, 228, 241)",
      "frame": "rgb(0, 0, 31)",
      "tab_background_text": "rgb(65, 179, 202)",
      "toolbar_field": "rgba(66, 70, 110, 0.81)",
      "toolbar_field_text": "rgba(252, 252, 252, 0.95)",
      "tab_line": "rgb(24, 191, 223)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgba(195, 224, 229, 0.87)",
      "icons_attention": "rgb(24, 97, 156)",
      "icons": "rgb(194, 226, 234)",
      "ntp_background": "rgb(14, 71, 102)",
      "ntp_text": "rgb(115, 184, 221)",
      "popup_border": "rgb(50, 162, 189)",
      "popup_highlight": "rgb(113, 205, 228)",
      "sidebar_border": "rgb(131, 213, 234)",
      "tab_selected": "rgba(10, 66, 127, 0.84)",
      "toolbar_bottom_separator": "rgb(45, 152, 209)",
      "toolbar_field_border_focus": "rgb(46, 89, 110)",
      "toolbar_field_border": "rgb(63, 159, 209)",
      "toolbar_field_focus": "rgb(81, 152, 189)",
      "toolbar_field_highlight": "rgb(41, 87, 111)",
      "toolbar_field_separator": "rgb(66, 147, 189)",
      "toolbar_top_separator": "rgb(45, 152, 209)",
      "toolbar_vertical_separator": "rgb(32, 141, 198)",
      "tab_loading": "rgb(24, 191, 223)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{95419a1f-3da9-4123-ab65-000847044d26}"
    }
  }
}