owl-pop

index.html

<div class="owl-carousel owl-theme">
  <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
    <div>
    <a class="image-popup-vertical-fit" href="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" title="This image fits only horizontally.">
    <img src="https://images.unsplash.com/photo-1567816632324-6c5e972d33e3?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ" />
    </a>
   </div>
  
</div>

owl-pop.markdown

owl-pop

A Pen by Kentaro Fujiy on CodePen.

License.

script.js

$(document).ready(function(){
  $('.owl-carousel').owlCarousel({
    items: 3
  });
  $('.image-popup-vertical-fit').magnificPopup({
		type: 'image',
		closeOnContentClick: true,
		mainClass: 'mfp-img-mobile',
		image: {
			verticalFit: true
		}
		
	});

	$('.image-popup-fit-width').magnificPopup({
		type: 'image',
		closeOnContentClick: true,
		image: {
			verticalFit: false
		}
	});

	$('.image-popup-no-margins').magnificPopup({
		type: 'image',
		closeOnContentClick: true,
		closeBtnInside: false,
		fixedContentPos: true,
		mainClass: 'mfp-no-margins mfp-with-zoom', // class to remove default margin from left and right side
		image: {
			verticalFit: true
		},
		zoom: {
			enabled: true,
			duration: 300 // don't foget to change the duration also in CSS
		}
	});

});

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/OwlCarousel2/2.3.4/owl.carousel.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/magnific-popup.js/1.1.0/jquery.magnific-popup.min.js"></script>

style.css

/**
 * Owl Carousel v2.3.4
 * Copyright 2013-2018 David Deutsch
 * Licensed under: SEE LICENSE IN https://github.com/OwlCarousel2/OwlCarousel2/blob/master/LICENSE
 */
/*
 *  Owl Carousel - Core
 */
.owl-carousel {
  display: none;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
  /* position relative and z-index fix webkit rendering fonts issue */
  position: relative;
  z-index: 1; }
  .owl-carousel .owl-stage {
    position: relative;
    -ms-touch-action: pan-Y;
    touch-action: manipulation;
    -moz-backface-visibility: hidden;
    /* fix firefox animation glitch */ }
  .owl-carousel .owl-stage:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0; }
  .owl-carousel .owl-stage-outer {
    position: relative;
    overflow: hidden;
    /* fix for flashing background */
    -webkit-transform: translate3d(0px, 0px, 0px); }
  .owl-carousel .owl-wrapper,
  .owl-carousel .owl-item {
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0); }
  .owl-carousel .owl-item {
    position: relative;
    min-height: 1px;
    float: left;
    -webkit-backface-visibility: hidden;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none; }
  .owl-carousel .owl-item img {
    display: block;
    width: 100%; }
  .owl-carousel .owl-nav.disabled,
  .owl-carousel .owl-dots.disabled {
    display: none; }
  .owl-carousel .owl-nav .owl-prev,
  .owl-carousel .owl-nav .owl-next,
  .owl-carousel .owl-dot {
    cursor: pointer;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none; }
  .owl-carousel .owl-nav button.owl-prev,
  .owl-carousel .owl-nav button.owl-next,
  .owl-carousel button.owl-dot {
    background: none;
    color: inherit;
    border: none;
    padding: 0 !important;
    font: inherit; }
  .owl-carousel.owl-loaded {
    display: block; }
  .owl-carousel.owl-loading {
    opacity: 0;
    display: block; }
  .owl-carousel.owl-hidden {
    opacity: 0; }
  .owl-carousel.owl-refresh .owl-item {
    visibility: hidden; }
  .owl-carousel.owl-drag .owl-item {
    -ms-touch-action: pan-y;
        touch-action: pan-y;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none; }
  .owl-carousel.owl-grab {
    cursor: move;
    cursor: grab; }
  .owl-carousel.owl-rtl {
    direction: rtl; }
  .owl-carousel.owl-rtl .owl-item {
    float: right; }

/* No Js */
.no-js .owl-carousel {
  display: block; }

/*
 *  Owl Carousel - Animate Plugin
 */
.owl-carousel .animated {
  animation-duration: 1000ms;
  animation-fill-mode: both; }

.owl-carousel .owl-animated-in {
  z-index: 0; }

.owl-carousel .owl-animated-out {
  z-index: 1; }

.owl-carousel .fadeOut {
  animation-name: fadeOut; }

@keyframes fadeOut {
  0% {
    opacity: 1; }
  100% {
    opacity: 0; } }

/*
 * 	Owl Carousel - Auto Height Plugin
 */
.owl-height {
  transition: height 500ms ease-in-out; }

/*
 * 	Owl Carousel - Lazy Load Plugin
 */
.owl-carousel .owl-item {
  /**
			This is introduced due to a bug in IE11 where lazy loading combined with autoheight plugin causes a wrong
			calculation of the height of the owl-item that breaks page layouts
		 */ }
  .owl-carousel .owl-item .owl-lazy {
    opacity: 0;
    transition: opacity 400ms ease; }
  .owl-carousel .owl-item .owl-lazy[src^=""], .owl-carousel .owl-item .owl-lazy:not([src]) {
    max-height: 0; }
  .owl-carousel .owl-item img.owl-lazy {
    transform-style: preserve-3d; }

/*
 * 	Owl Carousel - Video Plugin
 */
.owl-carousel .owl-video-wrapper {
  position: relative;
  height: 100%;
  background: #000; }

.owl-carousel .owl-video-play-icon {
  position: absolute;
  height: 80px;
  width: 80px;
  left: 50%;
  top: 50%;
  margin-left: -40px;
  margin-top: -40px;
  background: url("owl.video.play.png") no-repeat;
  cursor: pointer;
  z-index: 1;
  -webkit-backface-visibility: hidden;
  transition: transform 100ms ease; }

.owl-carousel .owl-video-play-icon:hover {
  -ms-transform: scale(1.3, 1.3);
      transform: scale(1.3, 1.3); }

.owl-carousel .owl-video-playing .owl-video-tn,
.owl-carousel .owl-video-playing .owl-video-play-icon {
  display: none; }

.owl-carousel .owl-video-tn {
  opacity: 0;
  height: 100%;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
  transition: opacity 400ms ease; }

.owl-carousel .owl-video-frame {
  position: relative;
  z-index: 1;
  height: 100%;
  width: 100%; }
/* Magnific Popup CSS */
.mfp-bg {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1042;
  overflow: hidden;
  position: fixed;
  background: #0b0b0b;
  opacity: 0.8; }

.mfp-wrap {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1043;
  position: fixed;
  outline: none !important;
  -webkit-backface-visibility: hidden; }

.mfp-container {
  text-align: center;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  padding: 0 8px;
  box-sizing: border-box; }

.mfp-container:before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle; }

.mfp-align-top .mfp-container:before {
  display: none; }

.mfp-content {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  margin: 0 auto;
  text-align: left;
  z-index: 1045; }

.mfp-inline-holder .mfp-content,
.mfp-ajax-holder .mfp-content {
  width: 100%;
  cursor: auto; }

.mfp-ajax-cur {
  cursor: progress; }

.mfp-zoom-out-cur, .mfp-zoom-out-cur .mfp-image-holder .mfp-close {
  cursor: -moz-zoom-out;
  cursor: -webkit-zoom-out;
  cursor: zoom-out; }

.mfp-zoom {
  cursor: pointer;
  cursor: -webkit-zoom-in;
  cursor: -moz-zoom-in;
  cursor: zoom-in; }

.mfp-auto-cursor .mfp-content {
  cursor: auto; }

.mfp-close,
.mfp-arrow,
.mfp-preloader,
.mfp-counter {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none; }

.mfp-loading.mfp-figure {
  display: none; }

.mfp-hide {
  display: none !important; }

.mfp-preloader {
  color: #CCC;
  position: absolute;
  top: 50%;
  width: auto;
  text-align: center;
  margin-top: -0.8em;
  left: 8px;
  right: 8px;
  z-index: 1044; }
  .mfp-preloader a {
    color: #CCC; }
    .mfp-preloader a:hover {
      color: #FFF; }

.mfp-s-ready .mfp-preloader {
  display: none; }

.mfp-s-error .mfp-content {
  display: none; }

button.mfp-close,
button.mfp-arrow {
  overflow: visible;
  cursor: pointer;
  background: transparent;
  border: 0;
  -webkit-appearance: none;
  display: block;
  outline: none;
  padding: 0;
  z-index: 1046;
  box-shadow: none;
  touch-action: manipulation; }

button::-moz-focus-inner {
  padding: 0;
  border: 0; }

.mfp-close {
  width: 44px;
  height: 44px;
  line-height: 44px;
  position: absolute;
  right: 0;
  top: 0;
  text-decoration: none;
  text-align: center;
  opacity: 0.65;
  padding: 0 0 18px 10px;
  color: #FFF;
  font-style: normal;
  font-size: 28px;
  font-family: Arial, Baskerville, monospace; }
  .mfp-close:hover,
  .mfp-close:focus {
    opacity: 1; }
  .mfp-close:active {
    top: 1px; }

.mfp-close-btn-in .mfp-close {
  color: #333; }

.mfp-image-holder .mfp-close,
.mfp-iframe-holder .mfp-close {
  color: #FFF;
  right: -6px;
  text-align: right;
  padding-right: 6px;
  width: 100%; }

.mfp-counter {
  position: absolute;
  top: 0;
  right: 0;
  color: #CCC;
  font-size: 12px;
  line-height: 18px;
  white-space: nowrap; }

.mfp-arrow {
  position: absolute;
  opacity: 0.65;
  margin: 0;
  top: 50%;
  margin-top: -55px;
  padding: 0;
  width: 90px;
  height: 110px;
  -webkit-tap-highlight-color: transparent; }
  .mfp-arrow:active {
    margin-top: -54px; }
  .mfp-arrow:hover,
  .mfp-arrow:focus {
    opacity: 1; }
  .mfp-arrow:before,
  .mfp-arrow:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    left: 0;
    top: 0;
    margin-top: 35px;
    margin-left: 35px;
    border: medium inset transparent; }
  .mfp-arrow:after {
    border-top-width: 13px;
    border-bottom-width: 13px;
    top: 8px; }
  .mfp-arrow:before {
    border-top-width: 21px;
    border-bottom-width: 21px;
    opacity: 0.7; }

.mfp-arrow-left {
  left: 0; }
  .mfp-arrow-left:after {
    border-right: 17px solid #FFF;
    margin-left: 31px; }
  .mfp-arrow-left:before {
    margin-left: 25px;
    border-right: 27px solid #3F3F3F; }

.mfp-arrow-right {
  right: 0; }
  .mfp-arrow-right:after {
    border-left: 17px solid #FFF;
    margin-left: 39px; }
  .mfp-arrow-right:before {
    border-left: 27px solid #3F3F3F; }

.mfp-iframe-holder {
  padding-top: 40px;
  padding-bottom: 40px; }
  .mfp-iframe-holder .mfp-content {
    line-height: 0;
    width: 100%;
    max-width: 900px; }
  .mfp-iframe-holder .mfp-close {
    top: -40px; }

.mfp-iframe-scaler {
  width: 100%;
  height: 0;
  overflow: hidden;
  padding-top: 56.25%; }
  .mfp-iframe-scaler iframe {
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    background: #000; }

/* Main image in popup */
img.mfp-img {
  width: auto;
  max-width: 100%;
  height: auto;
  display: block;
  line-height: 0;
  box-sizing: border-box;
  padding: 40px 0 40px;
  margin: 0 auto; }

/* The shadow behind the image */
.mfp-figure {
  line-height: 0; }
  .mfp-figure:after {
    content: '';
    position: absolute;
    left: 0;
    top: 40px;
    bottom: 40px;
    display: block;
    right: 0;
    width: auto;
    height: auto;
    z-index: -1;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    background: #444; }
  .mfp-figure small {
    color: #BDBDBD;
    display: block;
    font-size: 12px;
    line-height: 14px; }
  .mfp-figure figure {
    margin: 0; }

.mfp-bottom-bar {
  margin-top: -36px;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  cursor: auto; }

.mfp-title {
  text-align: left;
  line-height: 18px;
  color: #F3F3F3;
  word-wrap: break-word;
  padding-right: 36px; }

.mfp-image-holder .mfp-content {
  max-width: 100%; }

.mfp-gallery .mfp-image-holder .mfp-figure {
  cursor: pointer; }

@media screen and (max-width: 800px) and (orientation: landscape), screen and (max-height: 300px) {
  /**
       * Remove all paddings around the image on small screen
       */
  .mfp-img-mobile .mfp-image-holder {
    padding-left: 0;
    padding-right: 0; }
  .mfp-img-mobile img.mfp-img {
    padding: 0; }
  .mfp-img-mobile .mfp-figure:after {
    top: 0;
    bottom: 0; }
  .mfp-img-mobile .mfp-figure small {
    display: inline;
    margin-left: 5px; }
  .mfp-img-mobile .mfp-bottom-bar {
    background: rgba(0, 0, 0, 0.6);
    bottom: 0;
    margin: 0;
    top: auto;
    padding: 3px 5px;
    position: fixed;
    box-sizing: border-box; }
    .mfp-img-mobile .mfp-bottom-bar:empty {
      padding: 0; }
  .mfp-img-mobile .mfp-counter {
    right: 5px;
    top: 3px; }
  .mfp-img-mobile .mfp-close {
    top: 0;
    right: 0;
    width: 35px;
    height: 35px;
    line-height: 35px;
    background: rgba(0, 0, 0, 0.6);
    position: fixed;
    text-align: center;
    padding: 0; } }

@media all and (max-width: 900px) {
  .mfp-arrow {
    -webkit-transform: scale(0.75);
    transform: scale(0.75); }
  .mfp-arrow-left {
    -webkit-transform-origin: 0;
    transform-origin: 0; }
  .mfp-arrow-right {
    -webkit-transform-origin: 100%;
    transform-origin: 100%; }
  .mfp-container {
    padding-left: 6px;
    padding-right: 6px; } }