Cacher is the code snippet organizer for pro developers

<b class="screen-overlay"></b>

<!-- offcanvas panel -->
<aside class="offcanvas" id="my_offcanvas1">
	<header class="p-4 bg-light border-bottom">
		<button class="btn btn-outline-danger btn-close"> &times Close </button>
		<h6 class="mb-0">First offcanvas </h6>
	</header>
	<nav class="list-group list-group-flush">
		<a href="#" class="list-group-item">Home</a>
		<a href="#" class="list-group-item">About us</a>
		<a href="#" class="list-group-item">Menu name 1</a>
		<a href="#" class="list-group-item">Menu name 2</a>
		<a href="#" class="list-group-item">Menu name 3</a>
	</nav>
</aside>
<!-- offcanvas panel .end -->

$("[data-trigger]").on("click", function(e){
    e.preventDefault();
    e.stopPropagation();
    var offcanvas_id =  $(this).attr('data-trigger');
    $(offcanvas_id).toggleClass("show");
    $('body').toggleClass("offcanvas-active");
    $(".screen-overlay").toggleClass("show");
}); 

$(".btn-close, .screen-overlay").click(function(e){
   $(".screen-overlay").removeClass("show");
   $(".offcanvas").removeClass("show");
   $("body").removeClass("offcanvas-active");
}); 

.screen-overlay {
height: 100%;
z-index: 30;
position: fixed;
top: 0;
left: 0;
opacity:0;
visibility:hidden;
background-color: rgba(34, 34, 34, 0.6);
transition:opacity .2s linear, visibility .1s, width 1s ease-in;
}
.screen-overlay.show {
transition:opacity .5s ease, width 0s;
opacity:1;
width:100%;
visibility:visible;
}

.offcanvas{
width:350px;
visibility: hidden;
transform:translateX(-100%);
transition:all .2s;
border-radius:0; 
box-shadow: 0 5px 10px rgba(0,0,0, .2);
display:block;
position: fixed;
top: 0;
left: 0;
height: 100%;
z-index: 1200;
background-color: #fff;
overflow-y: scroll;
overflow-x: hidden;
}

.offcanvas.show{
visibility: visible;
transform: translateX(0);
transition: transform .2s;
}