body {
  font-family: Arial, sans-serif;
  background: #121212;
  color: #fff;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 500px;
  margin: auto;
  background: #1e1e1e;
  padding: 30px;
  border-radius: 10px;
}

input, select, button {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  font-size: 16px;
  border-radius: 5px;
  border: none;
}

button {
  background-color: #3a86ff;
  color: #fff;
  margin-top: 20px;
  cursor: pointer;
}

#results {
  margin-top: 30px;
}