Examine source code of Mrweb Dark Blue

{
  "manifest_version": 2,
  "version": "1.0.4",
  "name": "Mrweb Dark Blue",
  "theme": {
    "colors": {
      "tab_background_separator": "rgba(255, 255, 255, 0.5)",
      "toolbar_text": "#ffffff",
      "ntp_text": "#ffffff",
      "tab_text": "#ffffff",
      "popup_highlight_text": "#ffffff",
      "icons": "#e6e6e6",
      "tab_background_text": "#aaa",
      "bookmark_text": "#aaa",
      "sidebar_text": "#aaa",
      "sidebar_highlight_text": "#aaa",
      "toolbar_field_text": "#aaa",
      "popup_text": "#aaa",
      "ntp_background": "#101118",
      "toolbar_field": "#13161c",
      "toolbar_field_border": "#13161c",
      "toolbar_field_focus": "#13161c",
      "frame": "#161a21",
      "frame_inactive": "#161a21",
      "popup": "#161a21",
      "popup_border": "#161a21",
      "sidebar_border": "#161a21",
      "toolbar_field_border_focus": "#161a21",
      "sidebar": "#323e4e",
      "tab_selected": "#323e4e",
      "toolbar": "#323e4e",
      "toolbar_top_separator": "#323e4e",
      "toolbar_bottom_separator": "#323e4e",
      "tab_line": "#323e4e",
      "toolbar_vertical_separator": "#546581",
      "sidebar_highlight": "#546581",
      "toolbar_field_highlight": "#0c95d9",
      "popup_highlight": "#0c95d9",
      "tab_textbox_background_color": "#0c95d9",
      "button_background_hover": "#0c95d9",
      "button_background_active": "#0c95d9",
      "tab_loading": "#00ddff",
      "icons_attention": "#00ddff"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef474934-7e27-4092-a332-780ccd04a8ea}"
    }
  }
}