body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  padding: 20px;
}

h1 {
  text-align: center;
}

table {
  width: 80%;
  margin: auto;
  border-collapse: collapse;
  background-color: white;
}


th {
  background-color: #333;
  color: white;
  padding: 10px;
}


td {
  border: 1px solid black;
  padding: 10px;
  text-align: center;
}


tr:hover {
  background-color: #e0e0e0;
}