body {
  font-family: Arial, sans-serif;
  background-color: black;
  color: white;
  text-align: center;
  margin: 0;
  padding: 0;
}
.container {
  margin-top: 50px;
}
input, textarea {
  display: block;
  margin: 10px auto;
  padding: 10px;
  width: 80%;
  max-width: 300px;
}
button {
  padding: 10px 20px;
  margin: 10px;
  background-color: red;
  color: white;
  border: none;
  cursor: pointer;
}
button:hover {
  background-color: darkred;
}