Accordion Slider fit to hight

Hey Dan!

This could work, try adding this at the very end of your theme / child theme functions.php file:

function make_accordion_fullheight(){
?>
<script>
(function($){
    $(window).load(function() {
    	var win = $(window);

    	function calc_accordion_height(){

	    	var subtract  = $('#wpadminbar, #header.av_header_top:not(.html_header_transparency #header), #main>.title_container'),
	    		wh100 	  = win.height(),
	    		wh100_mod = wh100;

	    	subtract.each(function(){ wh100_mod -= this.offsetHeight - 1; });	

	    	$('.aviaccordion').css('height', wh100_mod + 'px');
    	}

    	win.on( 'debouncedresize', calc_accordion_height);
    	calc_accordion_height();

    });
})(jQuery);
</script>
<?php
}
add_action('wp_footer', 'make_accordion_fullheight');

And this to Quick CSS / child style.css:

.aviaccordion {
    max-height: none !important;
}

Cheers!
Josue

You are welcome, glad to help :)

Regards,
Josue