body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background: #f5f5f5;
  color: #222;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

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

th {
  background: #4CAF50;
  color: white;
  cursor: pointer;
}

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

#search-box {
  margin-bottom: 10px;
  padding: 8px;
  width: 50%;
  border: 1px solid #ccc;
  border-radius: 5px;
}