Examine source code of Trans Contrast

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Trans Contrast",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(200, 250, 255)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 200, 235)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 200, 235)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(84, 84, 84)",
      "icons_attention": "rgb(0, 0, 0)",
      "icons": "rgb(0, 0, 0)",
      "popup_border": "rgb(102, 188, 198)",
      "toolbar_field_border_focus": "rgb(102, 188, 198)",
      "toolbar_field_focus": "rgb(255, 255, 255)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(200, 250, 255)",
      "toolbar_field_separator": "rgb(102, 188, 198)",
      "toolbar_top_separator": "rgb(102, 188, 198)",
      "toolbar_vertical_separator": "rgb(102, 188, 198)",
      "tab_loading": "rgb(255, 200, 235)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{55f06923-c74b-4c7f-a814-99c57afcc474}"
    }
  }
}