body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  padding: 20px;
}

.container {
  background-color: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  max-width: 600px;
  margin: auto;
}

h2 {
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

form input {
  padding: 8px;
  font-size: 14px;
}

form button {
  padding: 10px;
  font-size: 14px;
  cursor: pointer;
  margin-top: 10px;
}

table {
  width: 90%;
  margin: 0 auto;
  border-collapse: collapse;
}

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

th {
  background-color: #f0f0f0;
}