<!-- in css: -->
<style>
	#up-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
  	  z-index: 15;
	  cursor: pointer;
      transition: all .3s;
  	}
 	img[src$=".svg"]{
		width:48px
    }
</style>

<!-- in html: -->
<div class="btn-hide" data-id="" data-element_type="widget" id="up-btn" data-settings="" alt="scroll to top">
	<img width="40" height="55" src="https://aspx.co.il/wp-content/uploads/2023/04/arrowup.svg" class="" alt="arrowup" /> 
</div>

<!-- in js: -->
<script src="https://code.jquery.com/jquery-3.7.1.min.js" crossorigin="anonymous"></script>
<script type="text/javascript" async>
	jQuery(document).ready(function($){
  
	//Check to see if the window is top if more then 500px from top display button
	$(window).scroll(function(){
		if ($(this).scrollTop() > 500) {
			$('#up-btn').fadeIn(300,'linear').removeClass('btn-hide');
		} else {
			$('#up-btn').fadeOut(200).hide('slow').addClass('btn-hide');
		}
	});

	//Click event to scroll to top
	$('#up-btn').click(function(){
		$('html, body').animate({scrollTop : 0},800);
		$(this).addClass('btn-hide');
			return false;
	});
</script>