<div class="grid">
		<div class="row cf">
			<div class="slide-in four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide in from left</p>
					</span>
					<div class="overlay">
						<i class="fa fa-commenting-o fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="slide-up four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide up</p>
					</span>
					<div class="overlay">
						<i class="fa fa-cogs fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="slide-down-delay four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide down with icon delay</p>
					</span>
					<div class="overlay">
						<i class="fa fa-users fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
		</div>
		<div class="row cf">
			<div class="rotate four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Rotate into view</p>
					</span>
					<div class="overlay">
						<i class="fa fa-star fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="scale four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide in from right and scale</p>
					</span>
					<div class="overlay">
						<i class="fa fa-trophy fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="flip four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Fade in then flip</p>
					</span>
					<div class="overlay">
						<i class="fa fa-thumbs-up fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
		</div>
		<div class="row cf">
			<div class="skew four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Fade in and skew</p>
					</span>
					<div class="overlay">
						<i class="fa fa-rocket fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="corner-bottom four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide in from bottom corner</p>
					</span>
					<div class="overlay">
						<i class="fa fa-coffee fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
			<div class="corner-top four col">
				<div class="box">
					<span class="original">
						<h1>Hover!</h1>
						<p>Slide in from top corner</p>
					</span>
					<div class="overlay">
						<i class="fa fa-calendar fa-3x" aria-hidden="true"></i>
					</div>
				</div>
			</div>
		</div>
	</div>
body{
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

h1, h2, h3, h4, h5, h6, p{
  color: #fff;
  font-weight: 200;
}

a{
  text-decoration: none;
}

/* GRID */

.grid { max-width: 940px; width: 100%; margin: 0 auto; }

.four { 
	width: 32.26%; 
}

/* COLUMNS */

.col {
  display: block;
  float:left;
  margin: 1% 0 1% 1.6%;
}

.col:first-of-type { margin-left: 0; }

/* CLEARFIX */

.cf:before,
.cf:after {
    content: " ";
    display: table; 
}

.cf:after { clear: both; }
.cf { *zoom: 1; }

/* GENERAL STYLES FOR BOX AND OVERLAY */

.box {
  display: block;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: #bbb;
  text-align: center;
  position: relative;
}

.overlay{
  width: 100%;
  height:100%;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
}

/* SLIDE IN */

.slide-in .overlay{
  background-color: #6addaa;
  line-height: 200px;
  color: #fff;
  transform: translateX(-100%);
  -webkit-transition: transform 0.5s ease-out;
  -o-transition: transform 0.5s ease-out;
  transition: transform 0.5s ease-out;
}

.slide-in .box:hover .overlay{
  transform: translateX(0);
}

/* SLIDE UP */

.slide-up .overlay{
  background-color: #3dcbe8;
  line-height: 200px;
  color: #fff;
  transform: translateY(100%);
  -webkit-transition: transform 0.5s ease-out;
  -o-transition: transform 0.5s ease-out;
  transition: transform 0.5s ease-out;
}

.slide-up .box:hover .overlay{
  transform: translateY(0);
}

/* SLIDE DOWN DELAY */

.slide-down-delay .overlay{
  background-color: #ee6f8c;
  line-height: 200px;
  color: #fff;
  transform: translateY(-100%);
  -webkit-transition: transform 0.5s ease-out;
  -o-transition: transform 0.5s ease-out;
  transition: transform 0.5s ease-out;
}

.slide-down-delay .box:hover .overlay{
  transform: translateY(0);
}

.slide-down-delay .overlay i{
  transform: translateY(-80%);
  opacity: 0;
  -webkit-transition: transform 0.5s linear, opacity 0.5s linear 0.5s;
  -o-transition: transform 0.5s linear, opacity 0.5s linear 0.5s;
  transition: transform 0.5s linear, opacity 0.5s linear 0.5s;
}

.slide-down-delay .box:hover .overlay i{
  transform: translateY(0);
  opacity: 1;
}

/* ROTATE */

.rotate .overlay{
  background-color: #6d94bb;
  line-height: 200px;
  color: #fff;
  transform-origin: 0 0;
  transform: rotate(90deg);
  -webkit-transition: transform 0.5s ease-in-out;
  -o-transition: transform 0.5s ease-in-out;
  transition: transform 0.5s ease-in-out;
}

.rotate .box:hover .overlay{
  transform: rotate(0deg);
}

/* SCALE */

.scale .overlay{
  background-color: #efcb5e;
  line-height: 200px;
  color: #fff;
  transform: translateX(210%) scale(3);
  -webkit-transition: transform 0.6s ease-in-out;
  -o-transition: transform 0.6s ease-in-out;
  transition: transform 0.6s ease-in-out;
}

.scale .box:hover .overlay{
  transform: translateX(0) scale(1);
}

/* FLIP */

.flip .overlay{
  background-color: #009688;
  line-height: 200px;
  color: #fff;
  opacity: 0;
  transform: rotateY(180deg);
  -webkit-transition: transform 0.6s ease-in-out 0.3s, opacity 0.3s ease-in-out;
  -o-transition: transform 0.6s ease-in-out 0.3s, opacity 0.3s ease-in-out;
  transition: transform 0.6s ease-in-out 0.3s, opacity 0.3s ease-in-out;
}

.flip .box:hover .overlay{
  opacity: 1;
  transform: rotateY(0deg);
}

/* SKEW */

.skew .overlay{
  background-color: #f44336;
  line-height: 200px;
  color: #fff;
  opacity: 0;
  transform: skewX(-10deg);
  -webkit-transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  -o-transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.skew .box:hover .overlay{
  transform: skewX(0deg);
  opacity: 1;
}

/* CORNER */

.corner-bottom .overlay{
  background-color: #9c27b0;
  line-height: 200px;
  color: #fff;
  transform: translate(100%, 100%);
  -webkit-transition: transform 0.4s ease-in-out;
  -o-transition: transform 0.4s ease-in-out;
  transition: transform 0.4s ease-in-out;
}

.corner-bottom .box:hover .overlay{
   transform: translate(0, 0);
}

/* CORNER */

.corner-top .overlay{
  background-color: #ff5722;
  line-height: 200px;
  color: #fff;
  transform: translate(-100%, -100%);
  -webkit-transition: transform 0.4s ease-in-out;
  -o-transition: transform 0.4s ease-in-out;
  transition: transform 0.4s ease-in-out;
}

.corner-top .box:hover .overlay{
   transform: translate(0, 0);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://use.fontawesome.com/f56e4513c5.js