header {
  background-color: Linen;
  padding: 30px;
  text-align: center;
  font-size: 35px;
  color: #7A8450;
}
body {
  background-color: #7A8450;
  color:azure;
  font-family: Georgia;
}
nav {
  float: left;
  width: 30%;
  background: #ccc;
  padding: 20px;
}
nav ul {
  list-style-type: none;
  padding: 0;
}
article {
  float: left;
  padding: 20px;
  width: 70%;
  background-color: #f1f1f1;
}
section::after {
  content: "";
  display: table;
  clear: both;
}
footer {
  background-color: #777;
  padding: 10px;
  text-align: center;
  color: white;
}
/* Responsive layout - makes the two columns/boxes stack on top of each other instead of next to each other, on small screens */
@media (max-width: 600px) {
  nav, article {
    width: 100%;
    height: auto;
  }
}