body {
  background-color: white;
  margin: 0px;
  padding: 0px;
}

.header {
  background-image: url(https://content.codecademy.com/programs/code-foundations-path/airplane.jpeg);
  background-position: center center;
  background-size: cover;
  height: 550px;
  width: 100%:
}

.overlay:before {
  content: "";
  position: absolute;
  height: 550px;
  width: 100%;
  background: rgba(0, 0, 0, 0.6);
}

#header-text {
  margin: 0 auto;
  position: relative;
  text-align: center;
  top: 25%;
  font-weight: bold;
}

h1 {
  color: white;
  font-family: 'Quicksand', sans-serif;
  font-size: 72px;
  font-weight: 400;
  line-height: 78px;
  margin: 0px;
}

h2 {
  color: white;
  font-family: 'Quicksand', sans-serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 48px;
  margin: 10px 0px;
  text-align: center;
}

h3, p {
  color: white;
  font-family: 'Open Sans', sans-serif;
  text-align: center;
  font-size: 28px;
  font-weight: 100;
}

.partner p {
  color: #666;
  font-family: 'Quicksand', sans-serif;
  font-size: 16px;
  font-weight: 300;
}

.main p {
  color: white;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  font-weight: 100;
  line-height: 24px;
  margin: 30px auto;
  text-align: center;
  width: 60%;
}

.partner {
  padding: 10px;
  text-align: center;
  margin: auto;
}

.partner img {
  position: relative;
  top: 6px;
}

.aa-logo {
  padding-left: 6px;
}

.main {
  background: url(https://content.codecademy.com/programs/code-foundations-path/shards.png);
  background-position: center center;
  background-size: cover;
  padding: 40px;
}

.value-props {
  margin: 40px auto;
  width: 60%;
}

.prop {
  border: 1px solid white;
  padding: 40px 0px;
  margin: 40px 0px;
  text-align: center;
}