main {
  max-width: 800px;
  margin: 30px auto;
}

section {
  background: #eee;
  padding: 20px;
  margin-bottom: 30px;
  border-radius: 4px;
}

header {
  color: #fff;
  padding: 20px;
  text-align: center;
}

nav {
  margin-top: 10px;
}

nav a {
  margin: 0 10px;
}

footer {
  text-align: center;
  margin-top: 40px;
  color: #aaa;
  font-size: 0.9em;
}

form {
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

label {
  display: flex;
  flex-direction: column;
  font-weight: bold;
}

input, select, textarea, button {
  padding: 8px;
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background-color: #4411aa;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #aaa;
}