// inital check for systems which do not have light or dark mode
if (localStorage.getItem("nightTabStyle")) {
  var style = document.createElement("style");
  style.type = "text/css";
  style.media = "screen";
  switch (localStorage.getItem("nightTabStyle")) {
    case "light":
      style.innerHTML = "html, body {background-color: rgb(255, 255, 255);}";
      break;
    case "dark":
      style.innerHTML = "html, body {background-color: rgb(0, 0, 0);}";
      break;
  };
  document.querySelector("head").appendChild(style);
};