body {
  background-color: #f4f1e8;
  color: #2f3e46;
  font-family: 'Courier New', monospace;
  margin: 0;
  padding: 0;
}

header {
  background-color: #8ecae6;
  color: #073b4c;
  padding: 1rem;
  text-align: center;
  border-bottom: 4px double #219ebc;
}

nav {
  background-color: #cad2c5;
  padding: 0.5rem;
  text-align: center;
}
nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #344e41;
  font-weight: bold;
}

main {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

article {
  background-color: #ffffff;
  border: 1px dashed #adb5bd;
  padding: 1rem;
  margin-bottom: 2rem;
}

h2 {
  color: #457b9d;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #dde5b6;
  color: #555;
  font-size: 0.8rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  margin: 1rem 0;
  background-color: #8ecae6;
  color: #073b4c;
  text-decoration: none;
  border: 1px solid #219ebc;
  border-radius: 4px;
  font-weight: bold;
}