body {
  font-family: "Fira Code", monospace;
  background: #000;
  color: #0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
form {
  background: #000;
  border: 1px solid #0f0;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px #0f0;
}
input,
button {
  font-family: "Fira Code", monospace;
  background: #000;
  color: #0f0;
  border: 1px solid #0f0;
  border-radius: 5px;
  padding: 10px;
  margin-top: 5px;
}
button:hover {
  background: #0f0;
  color: #000;
  cursor: pointer;
}
h3 {
  margin-bottom: 10px;
}