JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div
{
    position: absolute;
    height: 30px;
    width: 1920px;
    background: #000;
}

div:before, div:after
{
    position: absolute;
    content: '';
    top: 18px;
    height: 30px;
    width: 50%;
    background: #000;
    -webkit-transform: rotate(5deg);
}

div:after
{
    right: 0;
    -webkit-transform: rotate(-5deg);
}