section + div#hi {
  text-align: center;
  /* margin: 3em auto; */
  position: fixed;
  bottom: 0;
  width: 100%;
  color: #000;
  background: #fff;
  z-index: 3;
}
section + div#hi::before {
  content: "theme by annasthms; this user removed the credit";
  display: block;
  padding: 0.5em;
  line-height: 1em;
}