body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

header,
footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline-block;
  margin-right: 20px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
}

main {
  padding: 20px;
}

section {
  background-color: #f2f2f2;
  border: 1px solid #ccc;
  margin: 20px 0;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
}

.form-group input,
.form-group select {
  border: 1px solid #ccc;
  padding: 10px;
  width: 100%;
}

button {
  background-color: #333;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  padding: 10px 20px;
}

button:hover {
  background-color: #555;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}