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

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

.container h2 {
    color: #333;
}

#loader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

footer {
    background-color: #222;
    color: #fff;
}