body {
font-family: Arial, sans-serif;
}
.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
border: 1px solid #ccc;
border-radius: 5px;
}
.container h1 {
text-align: center;
}
.container div {
margin-bottom: 10px;
}
.container label {
display: inline-block;
width: 150px;
}
.container input[type="number"] {
width: 200px;
padding: 5px;
border: 1px solid #ccc;
border-radius: 3px;
}
.container select {
width: 215px;
padding: 5px;
border: 1px solid #ccc;
border-radius: 3px;
}
.container button {
padding: 8px 16px;
background-color: #007bff;
color: #fff;
border: none;
border-radius:...
