body {
    font-family: sans-serif;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: lightgray;
}

.container {
    background-color: white;
    padding: 30px;
    border: 1px solid lightblue;
    border-radius: 12px;
}

h2 {
    margin-top: 30px;
}

input[type="text"],
input[type="number"],
select {
    padding: 8px;
    margin: 5px 0;
    border: 1px solid darkgray;
    border-radius: 12px;
    width: 100%;
    max-width: 300px;
}

input[type="submit"] {
    padding: 10px 20px;
    margin-top: 10px;
    background-color: green;
    color: white;
    border-radius: 12px;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid darkgray;
}

th {
    background-color: lightblue;
}

.section {
    margin-bottom: 40px;
}