body {
  font-family: Arial, sans-serif;
  background: #f4f4f9;
  padding: 20px;
}

h1 {
  text-align: center;
}

form, table {
  max-width: 900px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input, select, textarea, button {
  margin: 8px 0;
  padding: 8px;
  width: 100%;
  border: 1px solid #ccc;
  border-radius: 5px;
}

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

th, td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: center;
}

th {
  background: #007BFF;
  color: white;
}

button {
  background: #28a745;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #218838;
}