<div class="container"><!-- Repeat if you want to have more cards --><div class="container__card"></div><!-- Main card's content -->...</div>
.container {/* Used to position the stacked cards */position: relative;}.container__card {/* Absolute position */left: 0px;position: absolute;top: 0px;/* Take full size */height: 100%;width: 100%;/* Displayed under the container */z-index: -1;/* Background and border colors */background-color: rgb(255, 255, 255);border: 1px solid rgba(0, 0, 0, 0.3);/* Rotate it. Change the number of degrees for the following cards */transform: rotate(5deg);}