# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# navigation.menuItemStyle

CSS styles for the individual items within the popup menu appearing by default when the export icon is clicked. The menu items are rendered in HTML. Font size defaults to `11px` on desktop and `14px` on touch devices.