JSFiddle - React, Tailwind, and code Playground

HTML

<div id="page_wrap">
  Text a obsah na bielom
</div>

CSS

body{
  width: 100%;
  min-height: 500px;
  background: url('https://images.unsplash.com/photo-1464039397811-476f652a343b?dpr=1&auto=format&fit=crop&w=1500&h=1003&q=80&cs=tinysrgb&crop=') center center no-repeat;
  background-size: cover;
}

#page_wrap{
  height: 500px;
  width: 400px;
  margin: 0 auto;
  background: white;
  padding: 40px;
}