#press-book-of-saquon .col-half-center {
    width: 80%;
    margin: 0 10%;
}

#press-book-of-saquon .embed-responsive-half {
    padding-bottom: 45%;
}

@media all and (max-width: 767px) {
    #press-book-of-saquon .embed-responsive-half {
        padding-bottom: 42%;
    }
}

@media all and (max-width: 560px) {
    #press-book-of-saquon .col-half-center {
        width: 100%;
        margin: 0 auto;
    }

    #press-book-of-saquon .embed-responsive-half {
        padding-bottom: 52%;
    }
}

@media all and (max-width: 480px) {
    #press-book-of-saquon .embed-responsive-half {
        padding-bottom: 50%;
    }
}