body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  margin: 0;
  padding: 0;
  text-align: center;
}

h1, h2, h3 {
  color: #2c3e50;
  margin-top: 20px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 20px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 5px;
}

button:hover {
  background-color: #2980b9;
  cursor: pointer;
}

table {
  width: 90%;
  margin: 30px auto;
  border-collapse: collapse;
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

th, td {
  padding: 12px;
  border: 1px solid #ccc;
}

th {
  background-color: #4CAF50;
  color: white;
}

td {
  color: #333;
}

form input {
  padding: 8px;
  margin: 5px;
  width: 40%;
  max-width: 250px;
  border: 1px solid #ccc;
  border-radius: 4px;
}