@media only screen and (max-width: 990px) {
    .main-header .main-menu ul, .main-header .search-bar {
        display: none;
    }

    .intro .content {
        padding-top: 10px;
    }

    .intro .pic img {
        margin-top: 25px;
    }

    .intro .content {
        width: 100%;
        text-align: center;
    }

    .video-tube iframe {
        width: 90%;
    }

    .main-header .hidden-xx {
        display: block;
    }

    i.view-password {
        left: 50px;
        z-index: 9999;
    }


    .popular-courses .one img {
        width: 100%;
        /*height: 145px;*/
        object-fit: fill !important;
        padding: 15px;
    }
    .footer h6
    {
        line-height: 30px;
    }
    .browse-categories .one .pic img {
        /*width: 100%;*/
    }
    .sidenav form {
        width: 100%;
        padding: 0px 15px;
    }
    .sidenav form button
    {
        left:20px;
    }
    .details-page .content video
    {
        width: 100%;
        margin-bottom: 40px;
    }

}

@media only screen and (max-width: 767px) {
    .browse-categories .one .name h6 {
        font-size: 11px;
    }

    .popular-courses .one a {
        margin-left: 12px;
        margin-right: 10px;
    }

    .popular-courses .one .option span {
        width: 100%;
        margin-right: 0px;
        margin-bottom: 8px;
    }

    .popular-courses .one .option a {
        width: 100%;
        margin-right: 0px !important;
    }

    .popular-courses .one {
        padding-bottom: 15px;
    }

    .popular-courses .one a {
        padding: 0px 6px;
    }

    .footer form {
        width: 80%;
    }

    .popular-courses .one .option a {
        margin-top: 7px;
    }

    .popular-courses, .details-page, .browse-categories, .weeks-courses {
        padding: 30px 0px !important;
    }

    .details-page .content h5, .details-page .content p {
        width: 100%;
    }

    .details-page .content h5 {
        font-size: 18px;
    }

    .help-page form, .account-setting form {
        width: 90%;
    }

    .browse-categories .one{
        height: 20vh;
    }

    .testimonial-card {
        padding: 32px 44px;
    }
}