body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  padding: 20px;
}
.container {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 700px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, textarea {
  width: 100%;
  padding: 8px;
  margin: 8px 0;
  box-sizing: border-box;
}
button {
  padding: 10px 20px;
  background-color: #007bff;
  border: none;
  color: white;
  cursor: pointer;
  border-radius: 4px;
}
button:hover {
  background-color: #0056b3;
}