.site-masthead {
  background: $brand-color;
  min-height: 100vh;
  box-sizing: border-box;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: $spacing-unit * 2;
}

.site-masthead h1 {
  font-size: 3em;
  margin-bottom: .125em;
  @media (min-width: $on-tablet) {
    font-size: 6em;
  }
}

.site-masthead h2 {
  color: $muted-text-color;
  font-size: 1.5em;
  @media (min-width: $on-tablet) {
    font-size: 3em;
  }
}