style.css

* {
  box-sizing: border-box;
  font-family: "Lato", sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

p {
  line-height: 1.5rem;
}

.max-width-wrapper {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.intro-chunk {
  margin-top: 48px;
  padding: 24px;
}

.intro-chunk strong {
  color: hsl(160deg, 100%, 30%);
}

.intro-chunk p {
  margin-top: 32px;
  margin-bottom: 32px;
  max-width: 350px;
  font-size: 1.25rem;
}

.title {
  font-size: 1.5rem;
  margin-bottom: 48px;
}

main {
  background-color: hsl(0deg, 0%, 60%);
  border-top: 4px solid hsl(0deg, 0%, 30%);
  min-height: 100%; /* Couldn't figure out what to do to make this cover the rest of the screen. I thought 'calc(100% - 648px)', but it didn't work*/
}

.card {
  background-color: white;
  padding: 24px;
  border-bottom: 4px solid hsl(0deg, 0%, 30%);
  margin-top: 64px;
}

.indented-heading {
  font-size: 1.25rem;
  background-color: hsl(45deg, 100%, 50%);
  border-bottom: 4px solid hsl(45deg, 100%, 40%);
  padding: 16px 32px;
  margin-left: -32px;
  margin-top: -16px;
  width: fit-content;
}