you have to manually put the codes in css ips wont have by default
dont for get to add this to your navabaritem for the menue look for
<li {{if $active}}class='ipsNavBar_active' data-active{{endif}} id='elNavSecondary_{$item->id}' data-role="navBarItem" data-navApp="{expression="mb_substr( \get_class( $item ), 4, mb_strpos( \get_class( $item ), '\\', 4 ) - 4 )"}" data-navExt="{expression="mb_substr( \get_class( $item ), mb_strrpos( \get_class( $item ), '\\' ) + 1 )"}">
replace with this
<li {{if $item->active()}}class='ipsNavBar_active' data-active{{endif}} id='elNavSecondary_{$item->id}' data-role="navBarItem" data-navApp="{expression="mb_substr( get_class( $item ), 4, mb_strpos( get_class( $item ), '\\', 4 ) - 4 )"}" data-navExt="{expression="mb_substr( get_class( $item ), mb_strrpos( get_class( $item ), '\\' ) + 1 )"}" data-FontAwesome="{$item->title()}">