<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <h2>Carousel Thumbnails</h2> </div> <div class="row blog"> <div class="col-md-12"> <div id="blogCarousel" class="carousel slide" data-ride="carousel"> <ol class="carousel-indicators"> <li data-target="#blogCarousel" data-slide-to="0" class="active"></li> <li data-target="#blogCarousel" data-slide-to="1"></li> </ol> <!-- Carousel items --> <div class="carousel-inner"> <div class="carousel-item active"> <div class="row"> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/Y2s898jySf4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/FeDvBPrM_-4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/cfhGtfuhRJY" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/LVaLXu0HBfk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> </div> <!--.row--> </div> <!--.item--> <div class="carousel-item"> <div class="row"> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/LmViZsr3UwE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/ezTYuRd8qHI" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/cKhb7qTcHDg" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> <div class="col-md-3"> <a href="#"> <iframe width="100%" height="480" src="https://www.youtube.com/embed/O5wkrSlF6io" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </a> </div> </div> <!--.row--> </div> <!--.item--> </div> <!--.carousel-inner--> </div> <!--.Carousel--> </div> </div> </div>