body {
  font-family: Arial, sans-serif;
  background-color: #111;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: #222;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px #0ff;
  text-align: center;
}

input {
  padding: 10px;
  margin: 10px;
  width: 80%;
  border: none;
  border-radius: 4px;
}

button {
  padding: 10px 20px;
  background-color: #0ff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}