body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background: #f0f0f0;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

table {
  margin: 0 auto;
  border-collapse: collapse;
  width: 80%;
  background: #fff;
}

th,
td {
  padding: 10px;
  border: 1px solid #ccc;
}

th {
  background: #f9f9f9;
}