Examine source code of Retro Futuristic

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Retro Futuristic",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-022-0e8aa16bfcfce2449791412d89f3a92b.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(255, 0, 120)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 0, 108)",
      "toolbar_field": "rgb(151, 88, 199)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 0, 120)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(255, 0, 120)",
      "frame_inactive": "rgb(0, 0, 0)",
      "icons": "rgb(255, 0, 107)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(255, 0, 120)",
      "sidebar_highlight_text": "rgb(227, 71, 144)",
      "sidebar": "rgb(255, 0, 107)",
      "tab_selected": "rgb(0, 0, 0)",
      "tab_text": "rgb(255, 0, 108)",
      "toolbar_bottom_separator": "rgb(255, 0, 120)",
      "toolbar_field_border": "rgb(255, 0, 120)",
      "toolbar_field_highlight_text": "rgb(143, 37, 210)",
      "toolbar_field_separator": "rgb(255, 0, 120)",
      "toolbar_top_separator": "rgb(255, 0, 120)",
      "toolbar_vertical_separator": "rgb(255, 0, 120)",
      "tab_loading": "rgb(255, 0, 120)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8378c8f1-7a35-455f-b4a4-df22a898615e}"
    }
  }
}