dn.user.js

// ==UserScript==
// @name        DN
// @namespace   dn.se
// @description Läsbar DN.se
// @include     http://www.dn.se/*
// @version     1
// @grant       none
// ==/UserScript==

document.addEventListener("DOMContentLoaded", function(event) { 
  document.head.innerHTML += `
    <style type='text/css'>
      .article__premium-content { 
        display: block !important; 
      }

      .js-paywall {
        display: none !important;
      }
      </style>`;
  
  window.setInterval(function() {
    var mask = document.querySelector('.article__body--mask');
    
    if (mask) mask.classList.remove('article__body--mask');
  }, 1000);
});