body {
    font-family: Arial, sans-serif;
}

.sidebar {
    height: 100vh;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    background-color: #5bb4f4 !important;
}

.nav-link {
    color: #333;
    padding: 10px 15px;
    display: flex;
    align-items: center;
}

.nav-link.active {
    background-color: #007bff;
    color: #fff;
}

.nav-link i {
    margin-right: 10px;
}

.header {
    background-color: #cfff0b;
}