JSFiddle - React, Tailwind, and code Playground

HTML

<header></header>

CSS

header{
  text-align: center;
  background: url("https://images.unsplash.com/photo-1579128860537-64fcd61568bf?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=2559&q=80");
  background-size: cover;
  background-position: center;
  color:white;
  font-size: 22px;
  font-family: serif;
  height:100vh;
  margin: 0px 0px 0px 0px;
  padding: 0px 0px 0px 0px;
} 

body { margin: 0; }