table {
  border-collapse: collapse;
  margin: 20px auto;
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}

table td {
  padding: 12px;
  text-align: center;
  border: 1px solid #ddd;
  transition: background-color 0.3s ease;
}

table tr:first-child td {
  background-color: #4CAF50;
  color: white;
  font-weight: bold;
}

table tr:first-child td:first-child,
table tr:not(:first-child) td:first-child {
  background-color: #4CAF50;
  color: white;
  font-weight: bold;
}

table tr:nth-child(even) {
  background-color: #f2f2f2;
}

table td:hover {
  background-color: #e0e0e0;
  cursor: pointer;
}