JSFiddle - React, Tailwind, and code Playground

by Al Kasih

HTML

<div class="container">
    <h1>Content Here</h1>
</div>

CSS

.container {
    position: relative;
    padding: 8px 8px 32px 8px;
    background: #dddccf;
}

.container:after {
    background: linear-gradient(45deg, transparent 32px, #ffffff 0), linear-gradient(-45deg, transparent 32px, #ffffff 0);
    background-position: left-bottom;
    background-repeat: repeat-x;
    background-size: 32px 32px;
    content: " ";
    display: block;
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 32px;
}