In the second part, you can find more zoom effects for the thumbnails. These effects can help your visitors see what is in the thumbnail in a wise way. Just see the demo and scroll to find these wonderful effects.

HTML
<!-- this script got from www.devanswer.com -->
<div class="header row"> <div class="row__inner"> <h1>Thumbnail Animation Effects</h1> <nav> <ul> <li><a href="#border-fill">Border Fill</a></li> <li><a href="#circle">Circle</a></li> <li><a href="#bouncy">Bouncy</a></li> <li><a href="#zoom">Zoom</a></li> <li><a href="#shake">Shake</a></li> </ul> </nav> </div> </div> <div id="border-fill" class="row"> <div class="row__inner"> <h1>Border Fill</h1> <div class="block to-left border-fill"></div> <div class="block to-right border-fill"></div> <div class="block from-center border-fill"></div> </div> </div> <div id="circle" class="row"> <div class="row__inner"> <h1>Circle</h1> <div class="block to-left circle"></div> <div class="block to-right circle"></div> <div class="block from-center circle"></div> </div> </div> <div id="zoom" class="row"> <div class="row__inner"> <h1>Zoom</h1> <div class="block to-left zoom"></div> <div class="block to-right zoom"></div> <div class="block from-center zoom"></div> </div> </div> <div id="bouncy" class="row"> <div class="row__inner"> <h1>Bouncy</h1> <div class="block to-left bouncy"></div> <div class="block to-right bouncy"></div> <div class="block from-center bouncy"></div> </div> </div> <div id="shake" class="row"> <div class="row__inner"> <h1>Shake</h1> <div class="block to-left shake"></div> <div class="block to-right shake"></div> <div class="block from-center shake"></div> </div> </div> <script src='//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script> <link href='https://fonts.googleapis.com/css?family=Roboto:400,300,100,500,700,900' rel='stylesheet' type='text/css'> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css"><a style="font-size: 8pt; text-decoration: none" target="_blank" href="http://www.devanswer.com">Developer Code</a>
CSS
.border-fill {
  transition: height, width;
  transition-duration: 200ms;
  transition-delay: 0, 200ms;
  transition-timing-function: ease-out;
  border: 1px solid #fff;
}
.border-fill:after {
  content: "";
  position: absolute;
  top: -1px;
  width: 200px;
  height: 200px;
  background: #fff;
  transition: height 200ms, width 200ms;
  transition-delay: 200ms, 400ms;
}
.border-fill.to-left:after {
  margin-right: -1px;
}
.border-fill.to-right:after {
  margin-left: -1px;
}
.border-fill:hover {
  width: 620px;
  height: 400px;
  background: transparent;
}
.border-fill:hover:after {
  width: 620px;
  height: 400px;
  transition-delay: 400ms, 600ms;
}

.circle {
  transition: width, height;
  transition-duration: 200ms;
  transition-timing-function: ease-out;
}
.circle:after {
  content: "";
  display: block;
  position: absolute;
  transition: width, height, right, left, opacity, transform;
  transition-duration: 400ms;
  transition-timing-function: ease-out, ease-out, linear, linear, linear, linear;
  width: 200px;
  height: 200px;
}
.circle.to-right:after {
  left: 0;
}
.circle.to-right:hover:after {
  left: 50%;
  transform: translateX(-50%);
}
.circle.to-left:after {
  right: 0;
}
.circle.to-left:hover:after {
  right: 50%;
  transform: translateX(50%);
}
.circle.block:after {
  border-radius: 50%;
  overflow: hidden;
  -webkit-mask-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAA5JREFUeNpiYGBgAAgwAAAEAAGbA+oJAAAAAElFTkSuQmCC);
}
.circle:hover {
  width: 620px;
  height: 400px;
}
.circle:hover:after {
  width: 400px;
  height: 400px;
}

.zoom:hover {
  animation: grow forwards;
  animation-duration: 1s;
}

.bouncy {
  transition: width, height, transform;
  transition-duration: 400ms;
  transition-timing-function: cubic-bezier(0.17, 0.67, 0.68, 2);
}
.bouncy:hover {
  width: 620px;
  height: 400px;
}

.shake {
  transition: transform;
  transition-duration: 200ms;
  transition-timing-function: ease-out;
}
.shake:hover {
  animation: shake 10, grow steps(10) forwards;
  animation-duration: 0.1s, 1s;
}
.shake:hover.from-center {
  animation: shake-from-center 10, grow steps(10) forwards;
  animation-duration: 0.1s, 1s;
}

/* ------------------------ */
/* Animations				*/
/* ------------------------ */
@keyframes grow {
  from {
    width: 200px;
    height: 200px;
  }
  to {
    width: 620px;
    height: 400px;
  }
}
@keyframes shake {
  0% {
    transform: translateX(-5px) rotate(-5deg);
  }
  50% {
    transform: translateX(5px) rotate(5deg);
  }
  100% {
    transform: translateX(-5px) rotate(-5deg);
  }
}
@keyframes shake-from-center {
  0% {
    transform: translateX(calc(-50% - 5px)) rotate(-5deg);
  }
  50% {
    transform: translateX(calc(-50% + 5px)) rotate(5deg);
  }
  100% {
    transform: translateX(calc(-50% - 5px)) rotate(-5deg);
  }
}
/* ------------------------ */
/* General Styles			*/
/* ------------------------ */
body, h1, h3, h4 {
  font-family: "Roboto", sans-serif;
  font-weight: 100;
  color: white;
}

a {
  color: white;
}

.row {
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  background-size: cover;
  background-image: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4gPHN2ZyB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGRlZnM+PGxpbmVhckdyYWRpZW50IGlkPSJncmFkIiBncmFkaWVudFVuaXRzPSJvYmplY3RCb3VuZGluZ0JveCIgeDE9IjAuMjgwODE0IiB5MT0iLTAuMTAyMjA4IiB4Mj0iMC43MTkxODYiIHkyPSIxLjEwMjIwOCI+PHN0b3Agb2Zmc2V0PSIwJSIgc3RvcC1jb2xvcj0iIzQxYTZiNCIgc3RvcC1vcGFjaXR5PSIwLjkiLz48c3RvcCBvZmZzZXQ9IjEwMCUiIHN0b3AtY29sb3I9IiM5NWNmYjgiIHN0b3Atb3BhY2l0eT0iMC45Ii8+PC9saW5lYXJHcmFkaWVudD48L2RlZnM+PHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNncmFkKSIgLz48L3N2Zz4g');
  background-size: 100%;
  background-image: -moz-linear-gradient(290deg, rgba(65, 166, 180, 0.9), rgba(149, 207, 184, 0.9));
  background-image: -webkit-linear-gradient(290deg, rgba(65, 166, 180, 0.9), rgba(149, 207, 184, 0.9));
  background-image: linear-gradient(160deg, rgba(65, 166, 180, 0.9), rgba(149, 207, 184, 0.9));
}
.row:first-child, .row:last-child {
  background: #41a6b4;
}
.row.header .row__inner, .row.footer .row__inner {
  text-align: center;
  line-height: 0.75em;
  padding: 50px 0;
}
.row:not(.header):not(.footer) .row__inner {
  height: 500px;
}

.row__inner {
  margin: 0 auto;
  padding: 10px 0 30px 0;
  width: 620px;
  position: relative;
}

.block {
  width: 200px;
  height: 200px;
  position: absolute;
  border-radius: 5px;
  box-sizing: border-box;
}
.block:before, .block:after {
  border-radius: 5px;
  overflow: hidden;
  box-sizing: border-box;
}
.block:hover {
  z-index: 100;
}

.to-left,
.to-left:before,
.to-left:after {
  right: 0;
}

.to-right,
.to-right:before,
.to-right:after {
  left: 0;
}

.from-center,
.from-center:before,
.from-center:after {
  left: 50%;
  transform: translateX(-50%);
}

nav {
  font-size: 14px;
}
nav ul {
  margin: 0;
  padding: 20px 0 0 0;
  list-style-type: none;
}
nav ul li {
  display: inline-block;
  margin: 0 5px;
}
nav a {
  text-decoration: none;
  padding: 5px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
nav a:hover {
  background: white;
  color: #df7c72;
}

.border-fill:nth-child(2):after {
  background: url(http://devanswer.com/codes/files/sport_1_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.border-fill:nth-child(3):after {
  background: url(http://devanswer.com/codes/files/sport_2_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.border-fill:nth-child(4):after {
  background: url(http://devanswer.com/codes/files/sport_3_620_400.jpg);
  background-size: cover;
  background-position: center center;
}

.circle:nth-child(2):after {
  background: url(http://devanswer.com/codes/files/transport_1_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.circle:nth-child(3):after {
  background: url(http://devanswer.com/codes/files/transport_2_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.circle:nth-child(4):after {
  background: url(http://devanswer.com/codes/files/transport_3_620_400.jpg);
  background-size: cover;
  background-position: center center;
}

.zoom:nth-child(2) {
  background: url(http://devanswer.com/codes/files/food_1_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.zoom:nth-child(3) {
  background: url(http://devanswer.com/codes/files/food_2_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.zoom:nth-child(4) {
  background: url(http://devanswer.com/codes/files/food_3_620_400.jpg);
  background-size: cover;
  background-position: center center;
}

.bouncy:nth-child(2) {
  background: url(http://devanswer.com/codes/files/nighlife_1_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.bouncy:nth-child(3) {
  background: url(http://devanswer.com/codes/files/nighlife_2_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.bouncy:nth-child(4) {
  background: url(http://devanswer.com/codes/files/nighlife_3_620_400.jpg);
  background-size: cover;
  background-position: center center;
}

.shake:nth-child(2) {
  background: url(http://devanswer.com/codes/files/sport_4_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.shake:nth-child(3) {
  background: url(http://devanswer.com/codes/files/sport_5_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
.shake:nth-child(4) {
  background: url(http://devanswer.com/codes/files/sport_6_620_400.jpg);
  background-size: cover;
  background-position: center center;
}
Javascript
$(".block").hover(function () {
  $(this).siblings(".block").fadeOut("fast");
}, function () {
  setTimeout(function () {
    $(this).siblings(".block").fadeIn("fast");
  }.bind(this), 300);
});

$("nav a").on("click", function (e) {
  e.preventDefault();
  $('html, body').animate({
    scrollTop: $($(this).attr("href")).offset().top },
  500);
});