body {
  font-family: sans-serif;
}

@media (min-width: 48rem) {
  #mainwrapper {
    display: flex;
    gap: 1rem;
  }

  #main {
    flex-basis: 70%;
  }

  aside {
    flex-basis: 30%;
  }
}

h1 a {
  color: black;
  text-decoration: none;
}

aside nav ul {
  list-style: none;
}

aside li + li {
  margin-top: 1rem;
}

aside nav ul a {
  display: inline-block;
  border: 1px solid gray;
  padding: 1rem;
  background-color: #fde990;
  font-weight: 700;
  color: black;
  text-decoration: none;
}

table td, th {
  border: 1px solid rgb(0, 0, 0);
  padding: 0.25rem;
  height: 1.75rem;
}

table {
  border-collapse: collapse;
}