body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.container {
    max-width: 800px;
}

.video-display {
    max-width: 640px;
    width: 100%;
    height: auto;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.alert-warning {
    font-size: 1.1rem;
}

.lead {
    font-size: 1.1rem;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}