.header, .hero, .body, .bar, .footer {
  background-color: teal;
  margin-bottom: 10px;
}

.box {
  margin: 10px 0;
  min-height: 80px;
  background-color: lightskyblue;
  font-size: 30px;
  font-weight: 700;
  text-align: center;
}

.red {
  background-color: red;
}