How to Relocate the Secondary Navigation below fixed Header in Altitude Pro

In Altitude Pro, by default a custom menu that's assigned to Secondary Navigation Menu location appears above the fixed header. Also when scrolling down, it will be hidden by the fixed header.

When scrolling down:

In this tutorial I share the steps to relocate the secondary navigation menu from above the header to below it and make the entire header + nav fixed instead of just the header.

When scrolling down:

Screencast:

Step 1

In functions.php,

a) replace

add_theme_support ( 'genesis-menus' , array ( 'primary' => __( 'Header Navigation Menu', 'altitude' ), 'secondary' => __( 'Above Header Navigation Menu', 'altitude' ), 'footer' => __( 'Footer Navigation Menu', 'altitude' ) ) );

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