$(document).ready(function() {

    //Headroom
    $headeroomOptions = {
        // vertical offset in px before element is first unpinned
        offset : 64,
        // or you can specify tolerance individually for up/down scroll
        tolerance : {
            up : 0,
            down : 0
        }
    };
    jQuery(".header").headroom($headeroomOptions);

    //Toggle visibility
    jQuery('[data-toggle="visibility"]').on('click', function() {
        jQuery('#' + jQuery(this).attr('data-target')).toggleClass('visible');
    });

});