body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
}

.top-bar {
    background-color: #333;
    color: #fff;
    padding: 10px;
}

.content {
    padding: 20px;
}

.validation-summary {
    color: red;
    margin-bottom: 10px;
}