Examine source code of Dunefield

{
  "manifest_version": 2,
  "name": "Dunefield",
  "version": "1.0",
  "description": "A warm sand and soft beige light browser theme.",
  "browser_specific_settings": {
    "gecko": {
      "id": "dunefield@mytheme",
      "strict_min_version": "68.0"
    }
  },
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e8dcc8",
      "frame_inactive": "#ede3cc",
      "tab_background_text": "#7a6848",
      "tab_selected": "#f5ede0",
      "tab_line": "#a07840",
      "tab_loading": "#a07840",
      "tab_text": "#3a2c18",
      "toolbar": "#ede3cc",
      "toolbar_text": "#3a2c18",
      "toolbar_field": "#faf5ec",
      "toolbar_field_text": "#2c2010",
      "toolbar_field_border": "#ccc0a0",
      "toolbar_field_focus": "#ffffff",
      "toolbar_field_text_focus": "#1a1408",
      "toolbar_field_border_focus": "#a07840",
      "toolbar_top_separator": "#d4c8a8",
      "toolbar_bottom_separator": "#d4c8a8",
      "toolbar_vertical_separator": "#d4c8a8",
      "icons": "#906830",
      "icons_attention": "#b08840",
      "button_background_hover": "#ddd0b0",
      "button_background_active": "#ccc0a0",
      "popup": "#f5ede0",
      "popup_text": "#3a2c18",
      "popup_border": "#ccc0a0",
      "popup_highlight": "#e8dcc8",
      "popup_highlight_text": "#2c2010",
      "sidebar": "#e8dcc8",
      "sidebar_text": "#5a4830",
      "sidebar_highlight": "#ddd0b0",
      "sidebar_highlight_text": "#2c2010",
      "sidebar_border": "#d4c8a8",
      "ntp_background": "#e8dcc8",
      "ntp_text": "#3a2c18"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  }
}