h1, h2, h3 {
  margin: 0;
  padding: 0;
}

body {
  align-items: center;
  display: flex;
  flex-direction: column;
  font-family: 'Source Sans Pro', sans-serif;
  justify-content: flex-start;
  margin: 0;
  padding: 0;
}

#container {
  margin-top: 200px;
  width: 1100px;
}

.title {
  border-bottom: 1px solid black;
}

.section:not(:first-of-type) {
  margin-top: 35px;
}

.subsection {
  margin-left: 30px;
}

.subsection:not(:first-of-type) {
  margin-top: 25px;
}

.subsubsection {
  margin-left: 30px;
}

.subsubsection:not(:first-of-type) {
  margin-top: 10px;
}

.section > p,
.subsection > p,
.subsubsection > p {
  margin-left: 20px;
}