.content {
  margin: 0 auto;
  width: 80%;
}

article h2 {
  margin-bottom: 1em;
}

article h3 {
  margin: 2em 0 0.5em;
  color: #9e9e9e;
}

article h4 {
  font-weight: 500;
  margin: 1em 1em 0em 2em;

}

article p {
  line-height: 1.5em;
}