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HTML 

              
                <link href="https://fonts.googleapis.com/css?family=Ubuntu" rel="stylesheet">


<!-- Consider a wrapper div element, inside that consider a five parent div elements with two different classes, in which one class being same(btn) for all parent elements and other class being different for all
elements(facebook, twitter, google, linkedin, youtube). and inside each parent div element
consider a P tag with text and two span elements with different classes(slider1, slider2) -->


<div class="wrapper">
  <div class="btn facebook">
    <p>facebook</p>
    <span class="slider1"></span>
    <span class="slider2"></span>
  </div>

  <div class="btn twitter">
    <p>twitter</p>
    <span class="slider1"></span>
    <span class="slider2"></span>
  </div>

  <div class="btn google">
    <p>google+</p>
    <span class="slider1"></span>
    <span class="slider2"></span>
  </div>

  <div class="btn linkedin">
    <p>linkedin</p>
    <span class="slider1"></span>
    <span class="slider2"></span>
  </div>

  <div class="btn youtube">
    <p>youtube</p>
    <span class="slider1"></span>
    <span class="slider2"></span>
  </div> 
</div>
!

CSS 

              
                * {
  margin: 0px;
  padding: 0px;
}


body{
  font-family: 'Ubuntu', sans-serif;
  background: #fff;
}

/*  */
.wrapper{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}

.btn{
  width: 250px;
  border: 3px solid #000;
  box-sizing: border-box;
  padding: 10px 15px;
  margin-bottom: 20px;
  color: #000;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.7s ease;
}

.btn > p{
  text-align: center;
  text-transform: uppercase;
  font-weight: 900;
  font-size: 20px;
  position: relative;
  z-index: 1;
}

.btn:hover > p{
  color: #fff;
}

.facebook{
  border: 3px solid #3b5998;
  color: #3b5998;
}

.twitter{
  border: 3px solid#00aced;
  color: #00aced;
}

.google{
  border: 3px solid #dd4b39;
  color: #dd4b39;
}

.linkedin{
  border: 3px solid #007bb6;
  color: #007bb6;
}

.youtube{
  border: 3px solid #bb0000;
  color: #bb0000;
}

.btn .slider1:before,
.btn .slider1:after,
.btn .slider2:before,
.btn .slider2:after
{
  content: "";
  position: absolute;
  transition: all 0.7s ease;
}

/* facebook */
.facebook .slider1:before{
  top: -55px;
  left: 0;
  border-top: 35px solid #3b5998;
  border-bottom: 35px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.facebook .slider1:after{
  left: 0;
  bottom: -55px;
  border-top: 35px solid transparent;
  border-bottom: 35px solid #3b5998;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.facebook .slider2:before{
  top: -3px;
  left: 160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid #3b5998;
  border-left: 125px solid transparent;
}

.facebook .slider2:after{
  top: -3px;
  left: -160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid #3b5998;
}

/* twitter */
.twitter .slider1:before{
  top: -55px;
  left: 0;
  border-top: 35px solid #00aced;
  border-bottom: 35px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.twitter .slider1:after{
  left: 0;
  bottom: -55px;
  border-top: 35px solid transparent;
  border-bottom: 35px solid #00aced;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.twitter .slider2:before{
  top: -3px;
  left: 160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid #00aced;
  border-left: 125px solid transparent;
}

.twitter .slider2:after{
  top: -3px;
  left: -160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid #00aced;
}

/* google */
.google .slider1:before{
  top: -55px;
  left: 0;
  border-top: 35px solid #dd4b39;
  border-bottom: 35px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.google .slider1:after{
  left: 0;
  bottom: -55px;
  border-top: 35px solid transparent;
  border-bottom: 35px solid #dd4b39;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.google .slider2:before{
  top: -3px;
  left: 160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid #dd4b39;
  border-left: 125px solid transparent;
}

.google .slider2:after{
  top: -3px;
  left: -160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid #dd4b39;
}

/* linkedin */
.linkedin .slider1:before{
  top: -55px;
  left: 0;
  border-top: 35px solid #007bb6;
  border-bottom: 35px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.linkedin .slider1:after{
  left: 0;
  bottom: -55px;
  border-top: 35px solid transparent;
  border-bottom: 35px solid #007bb6;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.linkedin .slider2:before{
  top: -3px;
  left: 160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid #007bb6;
  border-left: 125px solid transparent;
}

.linkedin .slider2:after{
  top: -3px;
  left: -160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid #007bb6;
}

/* youtube */
.youtube .slider1:before{
  top: -55px;
  left: 0;
  border-top: 35px solid #bb0000;
  border-bottom: 35px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.youtube .slider1:after{
  left: 0;
  bottom: -55px;
  border-top: 35px solid transparent;
  border-bottom: 35px solid #bb0000;
  border-right: 125px solid transparent;
  border-left: 125px solid transparent;
}

.youtube .slider2:before{
  top: -3px;
  left: 160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid #bb0000;
  border-left: 125px solid transparent;
}

.youtube .slider2:after{
  top: -3px;
  left: -160px;
  border-top: 25px solid transparent;
  border-bottom: 25px solid transparent;
  border-right: 125px solid transparent;
  border-left: 125px solid #bb0000;
}



/* hover effects */
.btn:hover .slider1:before{
  top: 0;
}

.btn:hover .slider1:after{
  bottom: 0;
}

.btn:hover .slider2:before,
.btn:hover .slider2:after{
  left: 0;
}
!

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