.container {
  text-align: center;
  margin-top: 100px;
}

h1 {
  color: #333;
}

input[type="text"] {
  padding: 10px;
  width: 300px;
}

input[type="submit"] {
  padding: 10px 20px;
  background-color: #333;
  color: #fff;
  border: none;
  cursor: pointer;
}

table {
  margin: 20px auto;
  border-collapse: collapse;
}

table th,
table td {
  padding: 8px;
  border: 1px solid #ccc;
}