JSFiddle - React, Tailwind, and code Playground

by kiokotzu

HTML

<header></header>

CSS

body{
    background:green;
}
header{
    position:absolute;
    width:100%;
    height:100px;
    top:0;
    left:0;
    border:1px solid red;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.43), rgba(0, 0, 0, 0));
}