.accordion {
  max-width: 1000px;
  margin: auto;
  width: calc(100% - 20px);
  margin-top: 30px;
}
details {
  background-color: #3498db;
  border-radius: 5px;
  color: #fafafa;
  margin-bottom: 20px;
}
details:hover {
}
details > summary {
  color: #fafafa;
  padding: 15px 25px;
  font-size: 1.7em;
  cursor: pointer;
  letter-spacing: 3px;
}
details > p {
  padding: 5px 10px 10px 20px;
  color: #fafafa;
  font-size: 1.4em;
  line-height: 30px;
}

nav {
  margin-bottom: 40px;
}