body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header, footer {
  background-color: #014421;
  color: white;
  padding: 20px;
  text-align: center;
}
footer p {
  max-width: 90%;
  margin: 0 auto 10px auto;
  font-size: 12px;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
}
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: white;
}
main {
  padding: 10px 5%;
}
section {
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  header h1, header h2, header p, footer p {
    font-size: 90%;
  }
  main {
    padding: 10px 5%;
  }
  nav a {
    display: inline-block;
    margin: 5px;
  }
}