body {
  background-color: #f5f5f5;
  font-family: Arial, sans-serif;
}
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
h1 {
  text-align: center;
  margin-top: 0;
}
.form-group {
  margin-bottom: 20px;
}
label {
  display: block;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 5px;
}
textarea {
  width: 100%;
  height: 200px;
  padding: 10px;
  font-size: 16px;
  border-radius: 5px;
  border: 2px solid #ccc;
  resize: vertical;
}
.btn {
  display: inline-block;
  background-color: #4CAF50;
  color: #fff;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}
.btn:hover {
  background-color: #3e8e41;
}