If you want to have a simple gallery and your website user can see these photos by clicking on the website photos, you can use this post. In this post, we have photos that are displayed with the zoom effect. Click on the image that is displayed on the left. Our photo will be displayed as a pop-up.


HTML
<!-- This script got from www.devanswer.com -->
<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/magnific-popup.js/1.1.0/magnific-popup.css'>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/magnific-popup.js/1.1.0/jquery.magnific-popup.min.js'></script>
<h2>

<ul id="image-popups">
    <li><a href="http://www.devanswer.com/img/800px-Prasat_Sikhoraphum.jpg" data-effect="mfp-zoom-in">Zoom in</a></li>
    <li><a href="http://www.devanswer.com/img/800px-Prasat_Sikhoraphum.jpg" data-effect="mfp-zoom-out">Zoom out</a></li>
</ul>
</h2><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>
                        

CSS
html, body {
  margin: 0;
  padding: 10px;
  -webkit-backface-visibility: hidden;
}
/* text-based popup styling */
.white-popup {
  position: relative;
  background: #FFF;
  padding: 25px;
  width: auto;
  max-width: 400px;
  margin: 0 auto;
}
/* 
====== Zoom effect ======
*/
.mfp-zoom-in {
  /* start state */
  /* animate in */
  /* animate out */
}
.mfp-zoom-in .mfp-with-anim {
  opacity: 0;
  transition: all 0.2s ease-in-out;
  transform: scale(0.8);
}
.mfp-zoom-in.mfp-bg {
  opacity: 0;
  transition: all 0.3s ease-out;
}
.mfp-zoom-in.mfp-ready .mfp-with-anim {
  opacity: 1;
  transform: scale(1);
}
.mfp-zoom-in.mfp-ready.mfp-bg {
  opacity: 0.8;
}
.mfp-zoom-in.mfp-removing .mfp-with-anim {
  transform: scale(0.8);
  opacity: 0;
}
.mfp-zoom-in.mfp-removing.mfp-bg {
  opacity: 0;
}
/* 
====== Zoom-out effect ======
*/
.mfp-zoom-out {
  /* start state */
  /* animate in */
  /* animate out */
}
.mfp-zoom-out .mfp-with-anim {
  opacity: 0;
  transition: all 0.3s ease-in-out;
  transform: scale(1.3);
}
.mfp-zoom-out.mfp-bg {
  opacity: 0;
  transition: all 0.3s ease-out;
}
.mfp-zoom-out.mfp-ready .mfp-with-anim {
  opacity: 1;
  transform: scale(1);
}
.mfp-zoom-out.mfp-ready.mfp-bg {
  opacity: 0.8;
}
.mfp-zoom-out.mfp-removing .mfp-with-anim {
  transform: scale(1.3);
  opacity: 0;
}
.mfp-zoom-out.mfp-removing.mfp-bg {
  opacity: 0;
}
/* 
====== "Hinge" close effect ======
*/
@keyframes hinge {
  0% {
    transform: rotate(0);
    transform-origin: top left;
    animation-timing-function: ease-in-out;
  }
  20%, 60% {
    transform: rotate(80deg);
    transform-origin: top left;
    animation-timing-function: ease-in-out;
  }
  40% {
    transform: rotate(60deg);
    transform-origin: top left;
    animation-timing-function: ease-in-out;
  }
  80% {
    transform: rotate(60deg) translateY(0);
    opacity: 1;
    transform-origin: top left;
    animation-timing-function: ease-in-out;
  }
  100% {
    transform: translateY(700px);
    opacity: 0;
  }
}
.hinge {
  animation-duration: 1s;
  animation-name: hinge;
}
.mfp-with-fade .mfp-content, .mfp-with-fade.mfp-bg {
  opacity: 0;
  transition: opacity .5s ease-out;
}
.mfp-with-fade.mfp-ready .mfp-content {
  opacity: 1;
}
.mfp-with-fade.mfp-ready.mfp-bg {
  opacity: 0.8;
}
.mfp-with-fade.mfp-removing.mfp-bg {
  opacity: 0;
}
/* preview styles */
html {
  font-family: "Calibri", "Trebuchet MS", "Helvetica", sans-serif;
}
h3 {
  margin-top: 0;
  font-size: 24px;
}
a,
a:visited {
  color: #1760BF;
  text-decoration: none;
}
a:hover {
  color: #c00;
}
.links li {
  margin-bottom: 5px;
}
h4 {
  margin: 24px 0 0 0;
}
.bottom-text {
  margin-top: 40px;
  border-top: 2px solid #CCC;
}
.bottom-text a {
  border-bottom: 1px solid #CCC;
}
.bottom-text p {
  max-width: 650px;
}
Javascript
// Inline popups
$('#inline-popups').magnificPopup({
  delegate: 'a',
  removalDelay: 500, //delay removal by X to allow out-animation
  callbacks: {
    beforeOpen: function() {
       this.st.mainClass = this.st.el.attr('data-effect');
    }
  },
  midClick: true // allow opening popup on middle mouse click. Always set it to true if you don't provide alternative source.
});
// Image popups
$('#image-popups').magnificPopup({
  delegate: 'a',
  type: 'image',
  removalDelay: 500, //delay removal by X to allow out-animation
  callbacks: {
    beforeOpen: function() {
      // just a hack that adds mfp-anim class to markup 
       this.st.image.markup = this.st.image.markup.replace('mfp-figure', 'mfp-figure mfp-with-anim');
       this.st.mainClass = this.st.el.attr('data-effect');
    }
  },
  closeOnContentClick: true,
  midClick: true // allow opening popup on middle mouse click. Always set it to true if you don't provide alternative source.
});
// Hinge effect popup
$('a.hinge').magnificPopup({
  mainClass: 'mfp-with-fade',
  removalDelay: 1000, //delay removal by X to allow out-animation
  callbacks: {
    beforeClose: function() {
        this.content.addClass('hinge');
    }, 
    close: function() {
        this.content.removeClass('hinge'); 
    }
  },
  midClick: true
});