body {
  padding: 0;
  margin: 2rem;
  font-family: 'Open Sans', sans-serif;
  display: flex;
  justify-content: center;
  flex-direction: column;
  flex-wrap: nowrap;
  background-color: #0e1822;
  color: #FFFFFF;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  font-size: 1.2rem;
}
.main_content {
  margin: 2rem 3% 2rem 3%;
}
.header {
  height: 500px;
  margin-bottom: 5rem;
}
.header h1 {
  font-family: 'Open Sans', sans-serif;
  text-align: center;
  margin: 2rem 5%;
  padding-top: 2rem;
  font-size: 5rem;
}
.subtitle {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
}
.header p {
  margin: 2rem 5%;
  line-height: 1.5em;
}
.introbar {
  padding: 2rem;
  text-align: center;
}
.introbar p {
  letter-spacing: 5px;
}
.introbox h1 {
  margin-top: 6rem;
}
.introbox h2 {
  margin-left: 15%;
}
#part_one {
  margin: 2rem 3%;
  padding-top: 1rem;
  height: 50rem;
  margin-top: 10rem;
}
#part_two {
  margin: 2rem 3%;
  padding-top: 1rem;
  height: 50rem;
  margin-top: 10rem;
}
#part_three {
  margin: 2rem 3%;
  padding-top: 1rem;
  height: 50rem;
  margin-top: 15rem;
}