<section class="slider">
            <div id="slider" class="flexslider">
                <ul class="slides">
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                </ul>
            </div>
            <div id="carousel" class="flexslider thumbe-slider">
                <ul class="slides">
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li>
                    <li>
                        <img src="https://fakeimg.pl/1920x930/" class="img-fluid"/>
                    </li> 
                </ul>
            </div>
        </section> 

.flex-container a:hover,
.flex-slider a:hover {outline: none; }
.slides, .slides > li, .flex-control-nav, .flex-direction-nav {margin: 0; padding: 0; list-style: none; }
.flex-pauseplay span {text-transform: capitalize; } 
.flexslider {margin: 0; padding: 0; }
.flexslider .slides > li {display: none; -webkit-backface-visibility: hidden; }
.flexslider .slides img {width: 100%; display: block; }
.flexslider .slides:after {content: "\0020"; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; }
html[xmlns] .flexslider .slides {display: block; }
* html .flexslider .slides {height: 1%; }
.no-js .flexslider .slides > li:first-child {display: block; }
.flexslider {background: #fff; position: relative; zoom: 1; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: '' 0 1px 4px rgba(0, 0, 0, 0.2); -moz-box-shadow: '' 0 1px 4px rgba(0, 0, 0, 0.2); -o-box-shadow: '' 0 1px 4px rgba(0, 0, 0, 0.2); box-shadow: '' 0 1px 4px rgba(0, 0, 0, 0.2); }
.flexslider .slides {zoom: 1; }
.flexslider .slides img {height: auto; -moz-user-select: none; }
.flex-viewport {max-height: 2000px; -webkit-transition: all 1s ease; -moz-transition: all 1s ease; -ms-transition: all 1s ease; -o-transition: all 1s ease; transition: all 1s ease; }
.loading .flex-viewport {max-height: 300px; }
.carousel li {margin-right: 5px; }
.flex-direction-nav {*height: 0; }
.flex-direction-nav a {text-decoration: none; display: block; width: 40px; height: 50px; margin: -20px 0 0; position: absolute; top: 50%; z-index: 10; overflow: hidden; opacity: 0; cursor: pointer; color: #fff; /*text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);*/ -webkit-transition: all 0.3s ease-in-out; -moz-transition: all 0.3s ease-in-out; -ms-transition: all 0.3s ease-in-out; -o-transition: all 0.3s ease-in-out; transition: all 0.3s ease-in-out; }
.flex-direction-nav a:before {font-family: "FontAwesome"; font-size: 40px; display: inline-block; content: '\f104'; /*color: rgba(0, 0, 0, 0.8); text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);*/ }
.flex-direction-nav a.flex-next:before {content: "\f105"; }
.flex-direction-nav .flex-prev {left: 00px; }
.flex-direction-nav .flex-next {right: 00px; text-align: right; }
.flexslider:hover .flex-direction-nav .flex-prev {opacity: 0.7; left: 10px; }
.flexslider:hover .flex-direction-nav .flex-prev:hover {opacity: 1; }
.flexslider:hover .flex-direction-nav .flex-next {opacity: 0.7; right: 10px; }
.flexslider:hover .flex-direction-nav .flex-next:hover {opacity: 1; }
.flex-direction-nav .flex-disabled {opacity: 0!important; filter: alpha(opacity=0); cursor: default; z-index: -1; }
.flex-pauseplay a {display: block; width: 20px; height: 20px; position: absolute; bottom: 5px; left: 10px; opacity: 0.8; z-index: 10; overflow: hidden; cursor: pointer; color: #000; }
.flex-pauseplay a:before {font-family: "flexslider-icon"; font-size: 20px; display: inline-block; content: '\f004'; }
.flex-pauseplay a:hover {opacity: 1; }
.flex-pauseplay a.flex-play:before {content: '\f003'; }
.flex-control-nav {width: 100%; position: absolute; bottom: -40px; text-align: center; }
.flex-control-nav li {margin: 0 6px; display: inline-block; zoom: 1; *display: inline; }
.flex-control-paging li a {width: 11px; height: 11px; display: block; background: #666; background: rgba(0, 0, 0, 0.5); cursor: pointer; text-indent: -9999px; -webkit-box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3); -moz-box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3); -o-box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3); box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3); -webkit-border-radius: 20px; -moz-border-radius: 20px; border-radius: 20px; }
.flex-control-paging li a:hover {background: #333; background: rgba(0, 0, 0, 0.7); }
.flex-control-paging li a.flex-active {background: #000; background: rgba(0, 0, 0, 0.9); cursor: default; }
.flex-control-thumbs {margin: 5px 0 0; position: static; overflow: hidden; }
.flex-control-thumbs li {width: 25%; float: left; margin: 0; }
.flex-control-thumbs img {width: 100%; height: auto; display: block; opacity: .7; cursor: pointer; -moz-user-select: none; -webkit-transition: all 1s ease; -moz-transition: all 1s ease; -ms-transition: all 1s ease; -o-transition: all 1s ease; transition: all 1s ease; }
.flex-control-thumbs img:hover {opacity: 1; }
.flex-control-thumbs .flex-active {opacity: 1; cursor: default; }
.flexslider.thumbe-slider{position: absolute; bottom: 0; z-index: 9; height: auto; width: 57.2%; margin: 0 auto; left: 0; right: 0;} 
.slider{position: relative;}
.flexslider.thumbe-slider img{cursor: pointer;border: 4px solid #fff;}


@-moz-document url-prefix() {
    .loading .flex-viewport {max-height: none; }
}
@media screen and (max-width: 860px) {
    .flex-direction-nav .flex-prev {opacity: 1; left: 10px; }
    .flex-direction-nav .flex-next {opacity: 1; right: 10px; }
}




$(window).load(function(){
                $('#carousel').flexslider({
                    animation: "slide",
                    controlNav: false,
                    animationLoop: true,
                    slideshow: false,
                    itemWidth: 210,
                    itemMargin: 5,
                    asNavFor: '#slider'
                });

                $('#slider').flexslider({
                    animation: "fade",
                    controlNav: false,
                    animationLoop: true,
                    slideshow: false,
                    sync: "#carousel",
                    start: function(slider){
                        $('body').removeClass('loading');
                    }
                });
            });

External CSS

  1. https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css

External JavaScript

  1. https://code.jquery.com/jquery-1.11.1.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/flexslider/2.7.0/jquery.flexslider.js