body {
  font-family: Arial;
  background: #111;
  color: white;
  text-align: center;
}

.box {
  background: #222;
  padding: 15px;
  margin: 20px auto;
  width: 300px;
  border-radius: 10px;
}

input, textarea {
  width: 100%;
  margin: 5px 0;
  padding: 8px;
  border-radius: 5px;
  border: none;
}

button {
  width: 100%;
  padding: 10px;
  background: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}

#lista {
  margin-top: 20px;
}

.comentario {
  background: #333;
  margin: 10px auto;
  padding: 10px;
  width: 300px;
  border-radius: 8px;
}