@media(max-width:991px) {
    .nav-link {
        margin-left: 0;
        padding: 10px
    }

    .book-btn {
        display: inline-block;
        margin-top: 10px
    }
}

@media(max-width:991px) {
    .hero {
        text-align: center;
        padding: 60px 0
    }

    .hero-title {
        font-size: 38px
    }

    .hero-features {
        justify-content: center
    }

    .hero-buttons {
        justify-content: center;
        margin-bottom: 40px
    }
}