body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
}

header {
  background: #35424a;
  color: #ffffff;
  padding: 1rem 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

header nav a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 10px;
}

main {
  padding: 20px;
}

h2 {
  color: #35424a;
  text-align: center;
}

form {
  max-width: 600px;
  margin: auto;
}

form label {
  display: block;
  margin: 10px 0 5px;
}

form input,
form select,
form button {
  width: 100%;
  padding: 10px;
  margin: 5px 0 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

form button {
  background-color: #35424a;
  color: white;
  border: none;
  cursor: pointer;
}

form button:hover {
  background-color: #263238;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

table th,
table td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

table th {
  background-color: #35424a;
  color: white;
}