body {
  background: #fec;
  color: #321;
  font-family: georgia, serif;
  font-size: large;
  line-height: 1.5;
  margin: 0 auto;
  padding: 0 1em;
}
header, footer {
  text-align: center;
}
h1 {
  margin-bottom: 0;
}
header div {
  margin: 0.5em 0;
}
header nav {
  margin: 1em 0 2em 0;
}
footer p {
  max-width: 40em;
  margin: 1em auto;
}
nav span {
  margin: 0 0.25em;
}
hr {
  margin: 2em 0 1.5em 0;
  border: 0;
  border-bottom: 0.1em dotted #986;
}
a:link {
  color: #600;
}
a:visited {
  color: #300;
}
a:focus, a:hover, a:active {
  color: #900;
}
main {
  display: grid;
  gap: 1em;
  grid-template-columns: repeat(auto-fit, minmax(16em, 1fr));
}
section {
  background: #edb;
  border-radius: 0.5em;
  border: thin solid #986;
  padding: 1em 1.25em;
  overflow-wrap: break-word;
}
section h2 {
  margin: 0;
}
section h3 {
  margin: 0 0 0.75em 0;
  font-size: 1em;
}