body {
  font-family: 'Orbitron', sans-serif;
  text-align: center;
  background-color: #000000;
  color: #ffffff;
  margin: 0;
  padding: 20px;
}

h1 {
  font-size: 36px;
  color: #ffd700;
  margin-top: 30px;
}

form {
  margin-top: 20px;
}

label {
  display: block;
  width: 100%;
  text-align: left;
  color: #ffd700;
  font-size: 24px;
  margin-bottom: 10px;
}

input {
  width: 100%;
  padding: 15px;
  margin-bottom: 20px;
  font-size: 24px;
  background-color: #222222;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  box-sizing: border-box;
}

button {
  padding: 15px 30px;
  font-size: 24px;
  background-color: #ffd700;
  color: #000000;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #ffdf80;
}

#output {
  font-size: 28px;
  color: #00ffff;
  margin-top: 30px;
}

@media screen and (max-width: 600px) {
  .container {
    max-width: 90%;
    margin: 0 auto;
  }
  
  h1 {
    font-size: 28px;
  }
  
  label {
    font-size: 24px;
  }
  
  input {
    font-size: 24px;
    padding: 15px;
  }
  
  button {
    font-size: 24px;
    padding: 15px 30px;
  }
  
  #output {
    font-size: 28px;
  }
}