Examine source code of Maxthon Dark

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Maxthon Dark",
  "theme": {
    "colors": {
      "toolbar": "#383839",
      "tab_line": "#383839",
      "tab_text": "#ffffff",
      "bookmark_text": "#ffffff",
      "frame": "#242528",
      "frame_inactive": "#242528",
      "tab_background_text": "#eeeeee",
      "toolbar_field": "#383839",
      "toolbar_field_text": "#ffffff",
      "toolbar_field_text_focus": "#ffffff",
      "toolbar_field_focus": "#383839",
      "toolbar_field_border": "#383839",
      "toolbar_field_border_focus": "#383839",
      "toolbar_field_highlight": "#0078d7",
      "toolbar_field_highlight_text": "#ffffff",
      "toolbar_field_separator": "#2a2a30",
      "toolbar_text": "#ffffff",
      "toolbar_top_separator": "#383839",
      "toolbar_bottom_separator": "#2f2f30",
      "toolbar_vertical_separator": "#2f2f30",
      "tab_background_separator": "#000000",
      "popup": "#292a2d",
      "popup_text": "#ffffff",
      "popup_border": "#2e2e2e",
      "popup_highlight": "#0078d7",
      "popup_highlight_text": "#ffffff",
      "tab_loading": "#a1a1a2",
      "tab_selected": "#383839",
      "sidebar": "#1a1b1d",
      "sidebar_highlight": "#4f5052",
      "sidebar_highlight_text": "#ffffff",
      "sidebar_text": "#f0f0f0",
      "sidebar_border": "#2f2f30",
      "button_background_active": "#2c2c2d",
      "button_background_hover": "#4b4b4c",
      "icons": "#c3c3c3",
      "icons_attention": "#f4d150",
      "ntp_background": "#242528",
      "ntp_link": "#d2d2d2",
      "ntp_text": "#d2d2d2"
    }
  }
}