body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f7f9f8;
}
header {
  background-color: #2e8b87;
  color: white;
  padding: 20px;
  text-align: center;
}
.logo {
  max-height: 80px;
}
nav a {
  margin: 0 15px;
  color: white;
  text-decoration: none;
}
main {
  padding: 20px;
}
footer {
  background-color: #2e8b87;
  color: white;
  text-align: center;
  padding: 10px;
}