html, body {
    height: 100%;
}

body {
    font-family: Arial, sans-serif;
    margin: 30px;
    background: #f0f9ff;
    background: linear-gradient(to bottom, #f0f9ff 0%, #cbebff 47%, #a1dbff 100%);
    background-attachment: fixed;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

select {
    padding: 10px;
    width: 100%;
    max-width: 300px;
    margin-bottom: 20px;
    font-size: 16px;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #007bff;
    color: white;
}

tr:hover {
    background-color: #f1f1f1;
}

td.error {
    color: #842029;
    background: #f8d7da;
}