body {
  margin: auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header"
    "main"
    "footer";
}

ul li {
  margin-bottom: 0.3rem;
  margin-left: 1rem;
}

@media only screen and (min-width: 375px, max-width: 768px) {
  body {
    width: auto;
    margin:0rem 2rem;
  }
}


@media only screen and (min-width: 1024px) {
  body {
    width: 45rem;
  }
}