body {
  font-family: 'Segoe UI', sans-serif;
  padding: 20px;
  background-color: #f5f5f5;
  color: #1e1e2f;
}

textarea {
  width: 100%;
  height: 300px;
  margin-bottom: 10px;
  padding: 10px;
  font-size: 16px;
  background-color: #fff;
  color: #000;
  border: 1px solid #ccc;
  resize: vertical;
}

input, button {
  padding: 10px;
  margin-right: 10px;
  font-size: 14px;
}