JSFiddle - React, Tailwind, and code Playground
HTML
<div class="slider">
<div class="slide curr"><div class="img" style="background-image:url(https://placeimg.com/640/480/animals);"></div></div>
<div class="slide next"><div class="img" style="background-image:url(https://placeimg.com/640/480/people);"></div></div>
<div class="slide"><div class="img" style="background-image:url(https://placeimg.com/640/480/nature);"></div></div>
<div class="slide"><div class="img" style="background-image:url(https://placeimg.com/640/480/tech);"></div></div>
<div class="slide"><div class="img" style="background-image:url(https://placeimg.com/640/480/arch);"></div></div>
<div class="corner"></div>
</div>
CSS
.slider, .slider .img {
width: 90vw;
height: calc(90vw / 16*9);
background: #000 center/contain no-repeat;
}
.slider {position:relative; margin:0 auto; overflow:hidden;}
.slider .corner {
position: absolute;
z-index: 3;
bottom: 0;
right: 0;
width: 100%;
height: 21%;
transform: rotate(-20deg);
transform-origin: 100% 0;
cursor: pointer;
}
.slider .slide {
position: absolute;
z-index: 0;
width: 250%;
height: 0;
transform: translateX(-50%) rotate(-20deg);
transform-origin: 50% 0;
transition:z-index 0s 0.7s, height 0.7s;
overflow: hidden;
}
.slider .slide.next {z-index:1; height:155%; opacity:0.5; transition:z-index 0s 1.1s, height 0s 0.7s;}
.slider .slide.curr {z-index:2; height:135%; opacity:1.0; transition:z-index 0s 1.1s, height 0.4s 0.7s, opacity 0.7s;}
.slider .slide .img {margin-left:50%; transform:rotate(20deg); transform-origin:0 0;}
JavaScript
$(document).ready(function() {
$(".slider .corner").on("click",function() {
var $next = $(this).siblings(".next");
if ($next.prev().length) {$next.prev().removeClass("curr");} else {$next.siblings(".slide").last().removeClass("curr");} //deactivate current slide
if ($next.next(".slide").length) {$next.next().addClass("next");} else {$next.siblings().first().addClass("next");} //prepare slide that follows next slide
$next.removeClass("next").addClass("curr"); //activate next slide
});
});