() => {
  const el = document.querySelector("body");
  const id = document.URL;
  const originalWidth = `__ayo__origininal-width-${id}__`;
  const originalMargin = `__ayo__origininal-margin-${id}__`;
  const toggle = `__ayo__slimmer-toggle-${id}__`;

  if (window[originalWidth] === undefined) {
    window[originalWidth] = el.style.width;
  }

  if (window[originalMargin] === undefined) {
    window[originalMargin] = el.style.margin;
  }

  if (!window[toggle]) {
    el.style.width = "700px";
    el.style.margin = "0 auto";
    el.style.overflowX = "auto";
    console.log({ toggle: window[toggle] });
  } else {
    el.style.width = window[originalWidth];
    el.style.margin = window[originalMargin];
  }

  console.log({ toggle: window[toggle] });
  window[toggle] = !window[toggle];
};