/* CSS styles */
h1 {
text-align: center;
margin-bottom: 20px;
}
.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
label {
font-weight: bold;
margin-bottom: 5px;
display: block;
}
input[type="text"],
textarea {
width: 100%;
padding: 10px;
margin-bottom: 10px;
border: 1px solid #ccc;
...
