@media (max-width: 368px) {
    /* Make the Logo Smaller */
    .navbar-brand {
       font-size: 26.29px;
    }
    /* Make the Logo "PRO" Smaller */
    .logo_pro {
        font-size: 17px;
    }

    .footer {
        padding-top: 16px;
        line-height: 16px;
    }
    .footer .text-muted {
        font-size: 16px;
    }
}

@media (max-width: 767px) {
    /* Keep logo at a small margin to the left*/
    .navbar-brand {
       margin-left: 20px;
    }
    .navbar {
        padding-top: 10px;
    }
    .content {
        margin-top: -30px;
    }
    h1 {
        font-size:25px;
    }
    .glyphicon-main {
        font-size:30px;
        padding-right: 8px;
    }
    .language {
        font-size: 15px;
    }

    .section {
        margin-top: 50px !important;
    }

    .sectionTop {
        margin-top: 100px !important;
    }

    .sectionBooks {
        margin-top: 80px !important;
    }

    .trans_btn {
        font-weight: 150;
        padding: 10px 10px;
        font-size: 15px;
    }

    #btn_books {
        font-weight: 200;
        padding: 10px 20px;
        font-size: 17px;
    }

    .lead {
        padding-left: 9px;
        padding-right: 9px;
        font-size: 18px;
    }

    h2 {
        margin: 0;
        padding: 0;
        font-size: 20px;
    }

    h2 span {
        font-size: 17px !important;
    }

    .btn_div {
        margin-top: 25px;
        padding-left: 9px;
        padding-right: 9px;
    }

    .glyphicon_section {
        padding-right: 10px;
        top: 2px;
    }
}

@media (min-width: 768px) {
    .navbar {
        padding-top: 25px;
    }

    h1 {
        font-size:30px;
    }

    hr {
        width: 105%;
        margin-left: -2.5%;
    }

    .section {
        margin-top: 60px !important;
    }
    .sectionTop {
        margin-top: 140px !important;
    }
    .sectionBooks {
        margin-top: 140px !important;
        padding: 0 20px 0 20px !important;
    }
}

@media (max-width: 991px) {
    .language {
        right: 15px;
    }

    .content {
        padding-left: 20px;
        padding-right: 20px;
    }

}

/* Medium devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .navbar-right {
        margin-right: 120px;
    }

    .section {
        margin-top: 120px !important;
        padding: 0 120px 0 120px !important;
    }

    .sectionTop {
        margin-top: 200px !important;
        padding: 0 120px 0 120px !important;
    }
}

/* Large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) { ... }