form {
  background: white;
  padding: 30px;
  margin: auto;
  margin-top: 30px;
  border-radius: 8px;
  max-width: 500px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

input[type="text"],
textarea {
  width: 90%;
  padding: 10px;
  margin-bottom: 15px;
  font-size: 1em;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button {
  background-color: #3498db;
  color: white;
  padding: 10px 15px;
  border: none;
  font-size: 1em;
  border-radius: 4px;
  cursor: pointer;
}

.error {
  color: red;
  margin-bottom: 15px;
}