Adjusts gutenberg.com layout for large monitors.

gutenberg.js

var styles = {
  body: {
    "margin-right": "25%",
    "margin-left": "25%"
  },
  p: {
    "font-size": "x-large",
    "line-height": "1.3em"
  },
  td: {
    "font-size": "x-large",
  }
};

function stylize(id) {
  return Object.keys(styles[id])
    .reduce((cssText, key) => cssText.concat(`${key}:${styles[id][key]};`), [])
    .join("");
}

function adjust(){
  body = document.querySelector("body");
  body.setAttribute("style", stylize("body"));

  td = document.querySelectorAll("td");
  td.forEach(td=>td.setAttribute("style", stylize("td")));

  p = document.querySelectorAll("p");
  p.forEach(p=>p.setAttribute("style", stylize("p")));
}

adjust();