body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
textarea {
  width: 100%;
  height: 120px;
  margin: 10px 0;
  padding: 10px;
  font-size: 16px;
}
.buttons button {
  margin: 5px;
  padding: 10px 15px;
  font-size: 16px;
}