The "Hovy" for links

index.html

<div class="main-container">
  <section class="section">
    <h2 class="title">Effect 1</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover1"><span class="menu__label hover1__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover1"><span class="menu__label hover1__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover1"><span class="menu__label hover1__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 2</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover2" data-hover-label="Home"><span class="menu__label hover2__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover2" data-hover-label="About"><span class="menu__label hover2__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover2" data-hover-label="Contacts"><span class="menu__label hover2__label">Contacts</span></a>
      </li>
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 3</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover3"><span class="menu__label hover3__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover3"><span class="menu__label hover3__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover3"><span class="menu__label hover3__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 4</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover4"><span class="menu__label hover4__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover4"><span class="menu__label hover4__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover4"><span class="menu__label hover4__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 5</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover5" data-hover-label="Home"><span class="menu__label hover5__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover5" data-hover-label="About"><span class="menu__label hover5__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover5" data-hover-label="Contacts"><span class="menu__label hover5__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 6</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover6"><span class="menu__label hover6__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover6"><span class="menu__label hover6__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover6"><span class="menu__label hover6__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 7</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover7"><span class="menu__label hover7__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover7"><span class="menu__label hover7__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover7"><span class="menu__label hover7__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 8</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover8"><span class="menu__label hover8__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover8"><span class="menu__label hover8__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover8"><span class="menu__label hover8__label">Contacts</span></a>
      </li>	
    </ul>
  </section>  
  <section class="section">
    <h2 class="title">Effect 9</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover9"><span class="menu__label hover9__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover9"><span class="menu__label hover9__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover9"><span class="menu__label hover9__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 10</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover10"><span class="menu__label hover10__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover10"><span class="menu__label hover10__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover10"><span class="menu__label hover10__label">Contacts</span></a>
      </li>	
    </ul>
  </section>  
  <section class="section">
    <h2 class="title">Effect 11</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover11" data-hover-label="Home"><span class="menu__label hover11__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover11" data-hover-label="About"><span class="menu__label hover11__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover11" data-hover-label="Contacts"><span class="menu__label hover11__label">Contacts</span></a>
      </li>	
    </ul>
  </section>    
  <section class="section">
    <h2 class="title">Effect 12</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover12" data-hover-label="Home"><span class="menu__label hover12__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover12" data-hover-label="About"><span class="menu__label hover12__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover12" data-hover-label="Contacts"><span class="menu__label hover12__label">Contacts</span></a>
      </li>	
    </ul>
  </section>      
  <section class="section">
    <h2 class="title">Effect 13</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover13" data-hover-label="Home"><span class="menu__label hover13__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover13" data-hover-label="About"><span class="menu__label hover13__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover13" data-hover-label="Contacts"><span class="menu__label hover13__label">Contacts</span></a>
      </li>	
    </ul>
  </section>      
  <section class="section">
    <h2 class="title">Effect 14</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover14" data-hover-label="Home"><span class="menu__label hover14__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover14" data-hover-label="About"><span class="menu__label hover14__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover14" data-hover-label="Contacts"><span class="menu__label hover14__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 15</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover15"><span class="menu__label hover15__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover15"><span class="menu__label hover15__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover15"><span class="menu__label hover15__label">Contacts</span></a>
      </li>	
    </ul>
  </section> 
  <section class="section">
    <h2 class="title">Effect 16</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover16"><span class="menu__label hover16__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover16"><span class="menu__label hover16__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover16"><span class="menu__label hover16__label">Contacts</span></a>
      </li>	
    </ul>
  </section>   
  <section class="section">
    <h2 class="title">Effect 17</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover17"><span class="menu__label hover17__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover17"><span class="menu__label hover17__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover17"><span class="menu__label hover17__label">Contacts</span></a>
      </li>	
    </ul>
  </section> 
  <section class="section">
    <h2 class="title">Effect 18</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover18" data-hover-label="Home"><span class="menu__label hover18__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover18" data-hover-label="About"><span class="menu__label hover18__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover18" data-hover-label="Contacts"><span class="menu__label hover18__label">Contacts</span></a>
      </li>	
    </ul>
  </section>
  <section class="section">
    <h2 class="title">Effect 19</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover19"><span class="menu__label hover19__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover19"><span class="menu__label hover19__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover19"><span class="menu__label hover19__label">Contacts</span></a>
      </li>	
    </ul>
  </section>   
  <section class="section">
    <h2 class="title">Effect 20</h2>
    <ul class="menu">
      <li class="menu__item">
        <a href="#0" class="menu__link hover20"><span class="menu__label hover20__label">Home</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover20"><span class="menu__label hover20__label">About</span></a>
      </li>	
      <li class="menu__item">
        <a href="#0" class="menu__link hover20"><span class="menu__label hover20__label">Contacts</span></a>
      </li>	
    </ul>
  </section>     
</div>

style.css

/* effect 1 */

.hover1{
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.hover1:before, .hover1:after,
.hover1__label:before, .hover1__label:after{
  content: "";     
  position: absolute;   
  transition: transform .2s ease-out;
}

.hover1:before, .hover1:after{
  width: 100%;
  height: 2px;
  left: 0;
}

.hover1:before{
  top: 0;
  transform: translate3d(-105%, 0, 0);
}

.hover1:after{
  bottom: 0;
  transform: translate3d(105%, 0, 0);
}

.hover1__label:before,
.hover1__label:after{
  width: 2px;
  height: 100%;
  top: 0;
}

.hover1__label:before{
  left: 0;
  transform: translate3d(0%, -100%, 0);
}

.hover1__label:after{
  right: 0;
  transform: translate3d(0%, 100%, 0);
}

.hover1:hover:before, .hover1:focus:before,
.hover1:hover:after, .hover1:focus:after,
.hover1:hover .hover1__label:before, .hover1:focus .hover1__label:before,
.hover1:hover .hover1__label:after, .hover1:focus .hover1__label:after{
  transform: translate3d(0, 0, 0);
}

/* effect 2 */

.hover2{
  display: inline-block;
  position: relative;
}

.hover2:before{
  content: '' attr(data-hover-label) '';
  position: absolute;
  top: 0;
  transform: rotateY(90deg);
  transition: transform .1s linear;
}

.hover2:hover:before, .hover2:focus:before{
  transition-delay: .2s;
  transform: rotateY(0deg);
}

.hover2:hover .hover2__label, .hover2:focus .hover2__label{
  transform: rotateY(90deg);  
  transition-delay: 0s
}

.hover2__label{
  display: inline-block;
  transform: rotateY(0);
  transition: transform .1s linear .2s;
}

/* effect 3 */

.hover3{
  position: relative;
  overflow: hidden;
  padding-bottom: 4px;
  display: inline-block;
}

.hover3:after{
  content: "";
  display: block;
  width: 100%;
  height: 2px;

  position: absolute;
  left: 0;
  bottom: 0;

  transform: translate3d(-100%, 0, 0);
  transition: transform .2s ease-in;
}

.hover3:hover:after,
.hover3:focus:after{
  transform: translate3d(0, 0, 0);
}

/* effect 4 */

.hover4:hover .hover4__label,
.hover4:focus .hover4__label{
  transform: rotateX(360deg);
  transition: transform .4s ease-out, color .4s ease-out;
}

.hover4__label{
  display: inline-block;
  transform: rotateX(0);
  transform-origin: center bottom;
}

/* effect 5 */

.hover5{
  display: inline-block;
  position: relative;
}

.hover5:before{
  content: '' attr(data-hover-label) '';
  position: absolute;
  top: 0;
  transform: rotateX(90deg);
  transition: transform .1s linear;
}

.hover5:hover:before, .hover5:focus:before{
  transition-delay: .2s;
  transform: rotateX(0deg);
}

.hover5:hover .hover5__label, .hover5:focus .hover5__label{
  transform: rotateX(90deg);  
  transition-delay: 0s
}

.hover5__label{
  display: inline-block;
  transform: rotateX(0);
  transition: transform .1s linear .2s;
}

/* effect 6 */

.hover6:hover .hover6__label,
.hover6:focus .hover6__label{
  transform: rotateY(360deg);
  transition: transform .4s ease-out, color .4s ease-out;
}

.hover6__label{
  display: inline-block;
  transform: rotateY(0);
  transform-origin: left center;
}

/* effect 7 */

.hover7{
  display: inline-block;
}

.hover7:hover .hover7__label:after,
.hover7:focus .hover7__label:after{
  transform: translate3d(0, 0, 0);
}

.hover7__label{
  position: relative;
  overflow: hidden;
  padding-bottom: 4px;
  display: inline-block;
}

.hover7__label:after{
  content: "";
  display: block;
  width: 100%;
  height: 2px;

  position: absolute;
  left: 0;
  bottom: 0;

  transform: translate3d(-70%, 0, 0);
  transition: transform .2s ease-in;
}

/* effect 8 */

.hover8{
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
}

.hover8:after{
  content: "";
  width: 100%;
  height: 2px;

  position: absolute;
  left: 0;
  bottom: 0;

  opacity: 0;
  transform: translate3d(0, 100%, 0);
  transition: transform .2s cubic-bezier(.84, .41, 0, 1.2), opacity .2s ease-out;
}

.hover8:hover:after, .hover8:focus:after{
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* effect 9 */

.hover9{
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.hover9:before, .hover9:after, .hover9__label:before, .hover9__label:after{
  content: "";
  position: absolute;
  transition: transform .2s ease-out;
}

.hover9:before, .hover9:after{
  width: 100%;
  height: 2px;
  left: 0;
}

.hover9:before{
  top: 0;
  transform: translate3d(-100%, 0, 0);
}

.hover9:after{
  bottom: 0;
  transform: translate3d(100%, 0, 0);
}

.hover9__label:before, .hover9__label:after{
  width: 2px;
  height: 100%;
  top: 0;
}

.hover9__label:before{
  left: 0;
  transform: translate3d(0, 100%, 0);
}

.hover9__label:after{
  right: 0;
  transform: translate3d(0, -100%, 0);
}

.hover9:hover:before, .hover9:hover:after,
.hover9:hover .hover9__label:before, .hover9:hover .hover9__label:after,
.hover9:focus:before, .hover9:focus:after,
.hover9:focus .hover9__label:before, .hover9:focus .hover9__label:after{
  transform: translate3d(0, 0, 0);
}

/* effect 10 */

.hover10{
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.hover10:before, .hover10:after, .hover10__label:before, .hover10__label:after{
  content: "";
  position: absolute;
  transition-property: transform;
  transition-duration: .1s;
  transition-timing-function: ease-out;
}

.hover10:before, .hover10:after{
  width: 100%;
  height: 2px;
  left: 0;
}

.hover10:before{
  top: 0;
  transform: translate3d(-105%, 0, 0);
  transition-delay: .25s;
}

.hover10:after{
  bottom: 0;
  transform: translate3d(105%, 0, 0);
  transition-delay: .05s;
}

.hover10__label:before, .hover10__label:after{
  width: 2px;
  height: 100%;
  top: 0;
}

.hover10__label:before{
  left: 0;
  transform: translate3d(0, 105%, 0);
}

.hover10__label:after{
  right: 0;
  transform: translate3d(0, -105%, 0);
  transition-delay: .15s;
}

.hover10:hover:before, .hover10:hover:after,
.hover10:hover .hover10__label:before, .hover10:hover .hover10__label:after,
.hover10:focus:before, .hover10:focus:after,
.hover10:focus .hover10__label:before, .hover10:focus .hover10__label:after{
  transform: translate3d(0, 0, 0);
  transition-duration: .2s;
}

.hover10:hover:before, .hover10:focus:before{
  transition-delay: 0s;
}

.hover10:hover:after, .hover10:focus:after{
  transition-delay: .4s;
}

.hover10:hover .hover10__label:after, .hover10:focus .hover10__label:after{
  transition-delay: .2s;
}

.hover10:hover .hover10__label:before, .hover10:focus .hover10__label:before{
  transition-delay: .6s;
}

/* effect 11 */

.hover11{
  position: relative;
  overflow: hidden;  
  display: inline-block;
}

.hover11:after{
  content: '' attr(data-hover-label) '';
  position: absolute;
  left: 0;
  top: 0;
  transition: transform .2s ease-in;
  transform: translate3d(140%, 0, 0);
}

.hover11__label{
  display: inline-block;
  transition: transform .2s ease-in;
}

.hover11:hover:after,
.hover11:focus:after{
  transform: translate3d(0, 0, 0);
}

.hover11:hover .hover11__label,
.hover11:focus .hover11__label{
  transform: translate3d(-140%, 0, 0);
}

/* effect 12 */

.hover12{
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.hover12:after{
  content: '' attr(data-hover-label) '';
  position: absolute;
  left: 0;
  top: 0;
  transform: translate3d(0, 140%, 0);
}

.hover12:after, .hover12__label{
  transition: transform .2s cubic-bezier(.86, .6, .08, 1.01);
}

.hover12__label{
  transform: translate3d(0, 0, 0);
  transition-delay: .15s;
  display: inline-block;
}

.hover12:hover:after, .hover12:focus:after{
  transform: translate3d(0, 0, 0);
  transition-duration: .3s;
  transition-delay: .1s;
}

.hover12:hover .hover12__label, .hover12:focus .hover12__label{
  transform: translate3d(0, 140%, 0);
  transition-duration: .3s;
  transition-delay: .1s;
}

/* effect 13 */

.hover13{
  position: relative;
  overflow: hidden;
}

.hover13, .hover13__label{
  display: inline-block;
}

.hover13:after{
  content: '' attr(data-hover-label) '';
  position: absolute;
  left: 0;
  top: 0;

  opacity: 0;
  transform: translate3d(0, 140%, 0);
  transition: transform .2s cubic-bezier(.86, .6, .08, 1.01), opacity .2s ease-in; 
}

.hover13:hover:after, .hover13:hover .hover13__label{
  transition-duration: .4s;
}

.hover13:hover:after, .hover13:focus:after{
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

.hover13:hover .hover13__label, .hover13:focus .hover13__label{
  transform: translate3d(0, -140%, 0);
}

.hover13__label{
  transform: translate3d(0, 0, 0);
  transition-property: transform; 
  transition-duration: .3s;
  transition-timing-function: cubic-bezier(.86, .6, .08, 1.01);
}

/* effect 14 */

.hover14{
  position: relative;
  display: inline-block;
}

.hover14:after{
  content: '' attr(data-hover-label) '';
  position: absolute;
  left: 0;
  top: 0;

  opacity: 0;
  transform: scale(1.2);
  transition: transform .2s ease-out, opacity .2s ease-out; 
}

.hover14__label{
  display: inline-block;
  transition: transform .2s cubic-bezier(1, .04, 0, 1.18) .25s, opacity .15s cubic-bezier(1, .04, 0, 1.18) .25s;
}

.hover14:hover:after, .hover14:focus:after{
  opacity: 1;  
  transform: scale(1);
  transition-duration: .2s;
  transition-delay: .15s;
}

.hover14:hover .hover14__label, .hover14:focus .hover14__label{
  opacity: 0;
  transform: scale(0);
  transition-duration: .2s;
  transition-delay: 0s;
}

/* effect 15 */

.hover15{
  position: relative;
  overflow: hidden;  
  display: inline-block;
}

.hover15:before, .hover15:after{
  content: "";
  width: 50%;
  height: 100%;

  position: absolute;
  top: 0;

  opacity: 0;
  transition: transform .2s ease-out, opacity .2s ease-out;
}

.hover15:before{
  left: 0;
  transform: translate3d(-100%, 0, 0);
}

.hover15:after{
  right: 0;
  transform: translate3d(100%, 0, 0);
}

.hover15__label{
  position: relative;
  z-index: 2;
}

.hover15:hover:before, .hover15:hover:after,
.hover15:focus:before, .hover15:focus:after{
  opacity: 1;
  transform: translate3d(0, 0, 0);  
}

/* effect 16 */

.hover16{
  display: inline-block;
  overflow: hidden;
  position: relative;
}

.hover16:before, .hover16:after{
  content: "";
  width: 100%;
  height: 50%;

  opacity: 0;
  transition: transform .2s cubic-bezier(0.93,-0.06, 0.04, 1.07), opacity .2s ease-out;

  position: absolute;
  left: 0;
}

.hover16:before{
  top: 0;
  transform: translate3d(0, -50%, 0);
}

.hover16:after{
  bottom: 0;
  transform: translate3d(0, 50%, 0);
}

.hover16__label{
  position: relative;
  z-index: 2;
}

.hover16:hover:before, .hover16:hover:after,
.hover16:focus:before, .hover16:focus:after{
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition-duration: .3s;
}

/* effect 17 */

.hover17{
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.hover17:before, .hover17:after{
  content: "";
  width: 51%;
  height: 100%;

  opacity: 0;
  transform: rotate(360deg);
  transition: opacity .2s ease-out;

  position: absolute;
  top: 0;
}

.hover17:before{
  left: 0;
}

.hover17:after{
  right: 0;
}

.hover17__label{
  position: relative;
  z-index: 2;
}

.hover17:hover:before, .hover17:hover:after,
.hover17:focus:before, .hover17:focus:after{
  opacity: 1;
  transform: rotate(0);
  transition: transform .3s cubic-bezier(0.93,-0.06, 0.04, 1.07), opacity .3s ease-out;
}

/* effect 18 */

.hover18{
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.hover18:after{
  content: '' attr(data-hover-label) '';
  width: 0;
  overflow: hidden;
  transition: width .2s ease-out;  

  position: absolute;
  left: 0;
  top: 0;
}

.hover18:hover:after, .hover18:focus:after{
  width: 100%  
}

/* effect 19 */

.hover19{
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.hover19:before, .hover19:after{
  content: "";
  width: 50%;
  height: 100%;

  position: absolute;
  top: 0;
  opacity: 0;
  
  transition: transform .2s ease-out, opacity .2s ease-out;    
}

.hover19:before{
  left: 0;
  transform: translate3d(-100%, 0, 0) rotate(-45deg);
}

.hover19:after{
  right: 0;
  transform: translate3d(100%, 0, 0) rotate(-45deg);
}

.hover19:hover:before, .hover19:hover:after,
.hover19:focus:before, .hover19:focus:after{
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: transform .3s ease-out, opacity .3s ease-out;
}

.hover19__label{
  position: relative;
  z-index: 2;
}

/* effect 20 */

.hover20{
  display: inline-block;
  overflow: hidden;
  position: relative;
}

.hover20:before, .hover20:after{
  content: "";
  width: 100%;
  height: 100%;

  opacity: 0;
  transition: transform .3s ease-out, opacity .3s ease-out;

  position: absolute;
  top: 0;
}

.hover20:before{
  left: 0;
  transform: translate3d(0, -100%, 0) scale(0);
}

.hover20:after{
  right: 0; 
  transform: translate3d(0, 100%, 0) scale(0);
}

.hover20__label{
  position: relative;
  z-index: 2;
}

.hover20:hover:before, .hover20:hover:after,
.hover20:focus:before, .hover20:focus:after{
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.hover1:focus, .hover2:focus, .hover3:focus, .hover4:focus, .hover5:focus,
.hover6:focus, .hover7:focus, .hover8:focus, .hover9:focus, .hover10:focus,
.hover11:focus, .hover12:focus, .hover13:focus, .hover14:focus, .hover15:focus, .hover16:focus, .hover17:focus, .hover18:focus, .hover19:focus, .hover20:focus{
  outline: none;
}

.hover2:before, .hover2:before, .hover4:hover, .hover4:focus,
.hover6:hover, .hover6:focus, .hover8:hover, .hover8:focus,
.hover10:hover, .hover10:focus, .hover12:after, .hover12:after,
.hover14:after, .hover18:after{
  color: #765b20;
}

.hover8:after, .hover9:before,
.hover9__label:after, .hover10:before,
.hover10:after, .hover10__label:before,
.hover10__label:after, .hover16:before,
.hover16:after, .hover20:before,
.hover20:after{
  background-color: #765b20;
}

.hover1:before, .hover1:after,
.hover1__label:before, .hover1__label:after,
.hover3:after, .hover7:hover .hover7__label:after,
.hover7:focus .hover7__label:after,
.hover9:after, .hover9:before,
.hover9__label:after, .hover9__label:before,
.hover15:before, .hover15:after,
.hover17:before, .hover17:after,
.hover19:before, .hover19:after{
  background-color: #1f675f;
}

.hover1:hover, .hover1:focus, .hover3:hover, .hover3:focus,
.hover5:before, .hover5:before, .hover7:hover, .hover7:focus,
.hover9:hover, .hover9:focus, .hover11:after,
.hover13:after{
  color: #1f675f;
}

.hover1, .hover9, .hover10, .hover15, .hover16, .hover17, .hover19, .hover20{
  padding: .5rem 1.5rem;
}

.hover7__label:after{
  background-color: #fff;
}

/*
* demo
*/

@media screen and (min-width: 769px){

  html{
    font-size: 62.5%;
  }
}

@media screen and (min-width: 641px) and (max-width: 768px){

  html{
    font-size: 56%;
  }
}

@media screen and (max-width: 640px){

  html{
    font-size: 50%;
  }
}

body{
  font-family: "PT Sans", -apple-system, BlinkMacSystemFont, "Roboto", "Open Sans", "Helvetica Neue", "Segoe UI", "Arial", sans-serif;
  font-size: 1.6rem;
  color: #222;

  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-overflow-scrolling: touch;
}

a{
  text-decoration: none;
  color: #795406;
}

.section{
  box-sizing: border-box;
  position: relative;
  padding: 7rem 2rem 5rem;
  text-align: center;
  background-color: #63A69F;
}

.section:nth-child(2n+2){
  background-color: #d5c093;
}

.title{
  font-size: 1.4rem;
  text-transform: uppercase;
  margin: 0;
  background-color: #fff;
  padding: .5rem 1.5rem;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

/*
* menu
*/

.menu{
  list-style: none;
  padding: 0;
  margin: 0;  
}

.menu__item{
  display: inline-block;
  margin-left: 5%;
  margin-right: 5%;
}

.menu__link{
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
}

@media screen and (min-width: 1201px){

  .main-container{
    display: flex;
    flex-wrap: wrap;
  }

  .section{
    width: 33.33333%;
  }
}

@media screen and (max-width: 300px){

  .menu{
    flex-direction: column;
  }
}

the-hovy-for-links.markdown

The "Hovy" for links

A Pen by Stas Melnikov on CodePen.

License.