body {
    background-color: #f8f9fa;
}
.navbar-brand img {
    height: 40px;
}
.nav-link {
    color: #007BFF !important;
}
.nav-link:hover {
    color: #0056b3 !important;
}
.btn-primary {
    background-color: #007BFF;
    border-color: #007BFF;
}
.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}
.footer {
    background-color: #343a40;
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 20px;
}