Hover-effect for text/links. nukun
Source: ruseller.com
[html]
<div id="demo"><a class="tnukun link--nukun" href="#">Nu<span>k</span>un</a></div>
<style>
#demo {background: #383A35;
       height: 250px;}
.tnukun {
        top: 50px;
outline: none;
text-decoration: none!important;
position: relative;
font-size: 8em;
line-height: 1;
color: #9e9ba4;
display: inline-block;
}
/* Nukun */
.link--nukun {
        left: 250px;
color: #E3E8DC;
font-weight: 900;
text-transform: uppercase;
overflow: hidden;
padding: 10px 0;
-webkit-transition: color 0.3s;
transition: color 0.3s;
}

.link--nukun:hover {
color: #1e1a1b;
}

.link--nukun::before,
.link--nukun::after {
content: '';
position: absolute;
width: 30%;
height: 5px;
background: #E3E8DC;
bottom: 0;
left: 35%;
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
-webkit-transition-timing-function: cubic-bezier(0.2,1,0.3,1);
transition-timing-function: cubic-bezier(0.2,1,0.3,1);
}

.link--nukun::after {
background: #ACD07A;
-webkit-transform: translate3d(-300%,0,0) scale3d(0,1,1);
transform: translate3d(-300%,0,0) scale3d(0,1,1);
}

.link--nukun:hover::before {
-webkit-transform: translate3d(300%,0,0) scale3d(0,1,1);
transform: translate3d(300%,0,0) scale3d(0,1,1);
}

.link--nukun:hover::after {
-webkit-transform: translate3d(0,0,0) scale3d(1,1,1);
transform: translate3d(0,0,0) scale3d(1,1,1);
}

.link--nukun span {
color: #E3E8DC;
display: inline-block;
position: relative;
-webkit-transform: perspective(1000px) rotate3d(0,1,0,0deg);
transform: perspective(1000px) rotate3d(0,1,0,0deg);
-webkit-transition: -webkit-transform 0.5s, color 0.5s;
transition: transform 0.5s, color 0.5s;
-webkit-transition-timing-function: cubic-bezier(0.2,1,0.3,1);
transition-timing-function: cubic-bezier(0.2,1,0.3,1);
}

.link--nukun:hover span {
color: #fff;
-webkit-transform: perspective(1000px) rotate3d(0,1,0,180deg);
transform: perspective(1000px) rotate3d(0,1,0,180deg);
}
</style>
[/html]
Installing
1. Put this HTML-code to the place you need:

<a class="tnukun link--nukun" href="#">Nu<span>k</span>un</a>

web address

2. Put this CSS-code to styling windows (Admin → Custom style), or to HTML (using tags <style></style>):

Code:
.tnukun {
	outline: none;
	text-decoration: none!important;
	position: relative;
	font-size: 8em;
	line-height: 1;
	color: #9e9ba4;
	display: inline-block;
}
/* Nukun */
.link--nukun {
	color: #E3E8DC;
	font-weight: 900;
	text-transform: uppercase;
	overflow: hidden;
	padding: 10px 0;
	-webkit-transition: color 0.3s;
	transition: color 0.3s;
}

.link--nukun:hover {
	color: #1e1a1b;
}

.link--nukun::before,
.link--nukun::after {
	content: '';
	position: absolute;
	width: 30%;
	height: 5px;
	background: #E3E8DC;
	bottom: 0;
	left: 35%;
	-webkit-transition: -webkit-transform 0.5s;
	transition: transform 0.5s;
	-webkit-transition-timing-function: cubic-bezier(0.2,1,0.3,1);
	transition-timing-function: cubic-bezier(0.2,1,0.3,1);
}

.link--nukun::after {
	background: #ACD07A;
	-webkit-transform: translate3d(-300%,0,0) scale3d(0,1,1);
	transform: translate3d(-300%,0,0) scale3d(0,1,1);
}

.link--nukun:hover::before {
	-webkit-transform: translate3d(300%,0,0) scale3d(0,1,1);
	transform: translate3d(300%,0,0) scale3d(0,1,1);
}

.link--nukun:hover::after {
	-webkit-transform: translate3d(0,0,0) scale3d(1,1,1);
	transform: translate3d(0,0,0) scale3d(1,1,1);
}

.link--nukun span {
	color: #E3E8DC;
	display: inline-block;
	position: relative;
	-webkit-transform: perspective(1000px) rotate3d(0,1,0,0deg);
	transform: perspective(1000px) rotate3d(0,1,0,0deg);
	-webkit-transition: -webkit-transform 0.5s, color 0.5s;
	transition: transform 0.5s, color 0.5s;
	-webkit-transition-timing-function: cubic-bezier(0.2,1,0.3,1);
	transition-timing-function: cubic-bezier(0.2,1,0.3,1);
}

.link--nukun:hover span {
	color: #fff;
	-webkit-transform: perspective(1000px) rotate3d(0,1,0,180deg);
	transform: perspective(1000px) rotate3d(0,1,0,180deg);
}

If you have any questions about installing this effect or styling the text, you can ask them in this topic.
Hope you enjoyed this effect.