body {
  font-family: Arial, sans-serif;
  margin: 40px;
}

h1, h2 {
  color: #333;
}

input[type="text"] {
  padding: 8px;
  font-size: 16px;
}

button {
  padding: 8px 16px;
  margin-left: 10px;
  font-size: 16px;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

th {
  background-color: #f2f2f2;
}