body {
font-family: Arial, sans-serif;
background-color: #f0f0f0;
margin: 0;
padding: 20px;
}
.container {
max-width: 600px;
margin: 0 auto;
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.input-group {
margin-bottom: 20px;
}
.input-group label {
display: block;
margin-bottom: 5px;
}
.input-group input {
width: 100%;
padding: 10px;
...
