body {
  margin: 0;
  padding: 0;
  background-color: #000;
  color: #fff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}

h1 {
  margin-bottom: 20px;
  font-size: 2.5em;
}

textarea {
  width: 100%;
  height: 500px;
  padding: 15px;
  background-color: #111;
  color: #fff;
  border: 1px solid #444;
  border-radius: 8px;
  resize: vertical;
  font-size: 1.1em;
  line-height: 1.5;
  outline: none;
}

textarea::placeholder {
  color: #aaa;
}