body {
    background-color: #f0f8ff;
}
.navbar {
    background-color: #343a40;
}
.navbar .navbar-brand, .navbar .nav-link, .navbar .navbar-text {
    color: #ffffff !important;
}
.navbar .nav-link:hover {
    background-color: #495057;
    color: #ffffff !important;
}
.footer {
    background-color: #343a40;
    color: #ffffff;
}
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}
.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}