body {
  font-family: Arial, sans-serif;
  max-width: 500px;
  margin: 50px auto;
}

label {
  display: block;
  margin-top: 10px;
}

input {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
}

button {
  margin-top: 20px;
  padding: 10px;
  width: 100%;
  cursor: pointer;
}

#results {
  margin-top: 20px;
  background: #f4f4f4;
  padding: 15px;
}