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HTML

            
              <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">

<div class="social-nav type-1">
      <li><a href="#" class="twitter" title=""><i class="fa fa-twitter"></i></a></li>
      <li><a href="#" class="facebook" title=""><i class="fa fa-facebook"></i></a></li>
      <li><a href="#" class="google-plus" title=""><i class="fa fa-google-plus"></i></a></li>
</div>

<div class="social-nav type-2">
      <li><a href="#" class="twitter" title=""><i class="fa fa-twitter"></i></a></li>
      <li><a href="#" class="facebook" title=""><i class="fa fa-facebook"></i></a></li>
      <li><a href="#" class="google-plus" title=""><i class="fa fa-google-plus"></i></a></li>
</div>

<div class="social-nav type-3">
      <li><a href="#" class="twitter" title=""><i class="fa fa-twitter"></i></a></li>
      <li><a href="#" class="facebook" title=""><i class="fa fa-facebook"></i></a></li>
      <li><a href="#" class="google-plus" title=""><i class="fa fa-google-plus"></i></a></li>
</div>
!

CSS

            
              /* "settings" */

body{background: #ff4d4d;}

.social-nav
{
  width: 182px;
  padding: 20px;
  list-style: none;
  margin: -1px auto;
  background: white;
  box-shadow: 20px 20px #cc0044;
}

.social-nav li{display: inline-block;}

.social-nav a
{
  display: inline-block;
  float: left;
  width: 48px;
  height: 48px;
  color: #FFF;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  line-height: 48px;
  position: relative;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}

/* type-1 */

.type-1 a
{
  overflow: hidden;
  font-size: 26px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 5px;
  margin: 0 5px;
}

.type-1 a:hover
{
  background: #fff;
  text-shadow: 0px 0px #d4d4d4, 1px 1px #d4d4d4, 2px 2px #d4d4d4, 3px 3px #d4d4d4, 4px 4px #d4d4d4, 5px 5px #d4d4d4, 6px 6px #d4d4d4, 7px 7px #d4d4d4, 8px 8px #d4d4d4, 9px 9px #d4d4d4, 10px 10px #d4d4d4, 11px 11px #d4d4d4, 12px 12px #d4d4d4, 13px 13px #d4d4d4, 14px 14px #d4d4d4, 15px 15px #d4d4d4, 16px 16px #d4d4d4, 17px 17px #d4d4d4, 18px 18px #d4d4d4, 19px 19px #d4d4d4, 20px 20px #d4d4d4, 21px 21px #d4d4d4, 22px 22px #d4d4d4, 23px 23px #d4d4d4, 24px 24px #d4d4d4, 25px 25px #d4d4d4, 26px 26px #d4d4d4, 27px 27px #d4d4d4, 28px 28px #d4d4d4, 29px 29px #d4d4d4, 30px 30px #d4d4d4;
}

.type-1 .google-plus, .type-1 .facebook, .type-1 .twitter
{
  text-align: center;
  color: white;
  font-size: 26px;
  background: #00e68a;
  text-shadow: 0px 0px #00b36b, 1px 1px #00b36b, 2px 2px #00b36b, 3px 3px #00b36b, 4px 4px #00b36b, 5px 5px #00b36b, 6px 6px #00b36b, 7px 7px #00b36b, 8px 8px #00b36b, 9px 9px #00b36b, 10px 10px #00b36b, 11px 11px #00b36b, 12px 12px #00b36b, 13px 13px #00b36b, 14px 14px #00b36b, 15px 15px #00b36b, 16px 16px #00b36b, 17px 17px #00b36b, 18px 18px #00b36b, 19px 19px #00b36b, 20px 20px #00b36b, 21px 21px #00b36b, 22px 22px #00b36b, 23px 23px #00b36b, 24px 24px #00b36b, 25px 25px #00b36b, 26px 26px #00b36b, 27px 27px #00b36b, 28px 28px #00b36b, 29px 29px #00b36b, 30px 30px #00b36b;
}

.type-1 .twitter:hover
{
  color: #00ACED;
}

.type-1 .facebook:hover
{
  color: #3B579D;
}

.type-1 .google-plus:hover
{
  color: #DD4A3A;
}

/* type-2 */

.type-2 a
{
  overflow: hidden;
  font-size: 26px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 50px;
  margin: 0 5px;
}

.type-2 a:hover
{
  background: #fff;
  text-shadow: -0px 0px #d4d4d4, -1px 1px #d4d4d4, -2px 2px #d4d4d4, -3px 3px #d4d4d4, -4px 4px #d4d4d4, -5px 5px #d4d4d4, -6px 6px #d4d4d4, -7px 7px #d4d4d4, -8px 8px #d4d4d4, -9px 9px #d4d4d4, -10px 10px #d4d4d4, -11px 11px #d4d4d4, -12px 12px #d4d4d4, -13px 13px #d4d4d4, -14px 14px #d4d4d4, -15px 15px #d4d4d4, -16px 16px #d4d4d4, -17px 17px #d4d4d4, -18px 18px #d4d4d4, -19px 19px #d4d4d4, -20px 20px #d4d4d4, -21px 21px #d4d4d4, -22px 22px #d4d4d4, -23px 23px #d4d4d4, -24px 24px #d4d4d4, -25px 25px #d4d4d4, -26px 26px #d4d4d4, -27px 27px #d4d4d4, -28px 28px #d4d4d4, -29px 29px #d4d4d4, -30px 30px #d4d4d4;
}

.type-2 .twitter, .type-2 .facebook, .type-2 .google-plus
{
  text-align: center;
  color: white;
  font-size: 26px;
  background: #ffa64d;
  text-shadow: 0px 0px #e67300, 1px 1px #e67300, 2px 2px #e67300, 3px 3px #e67300, 4px 4px #e67300, 5px 5px #e67300, 6px 6px #e67300, 7px 7px #e67300, 8px 8px #e67300, 9px 9px #e67300, 10px 10px #e67300, 11px 11px #e67300, 12px 12px #e67300, 13px 13px #e67300, 14px 14px #e67300, 15px 15px #e67300, 16px 16px #e67300, 17px 17px #e67300, 18px 18px #e67300, 19px 19px #e67300, 20px 20px #e67300, 21px 21px #e67300, 22px 22px #e67300, 23px 23px #e67300, 24px 24px #e67300, 25px 25px #e67300, 26px 26px #e67300, 27px 27px #e67300, 28px 28px #e67300, 29px 29px #e67300, 30px 30px #e67300;
}

.type-2 .twitter:hover{color: #00ACED;}

.type-2 .facebook:hover{color: #3B579D;}

.type-2 .google-plus:hover{color: #DD4A3A;}

/* type-3 */

.type-3 a
{
  overflow: hidden;
  font-size: 26px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 50px;
  margin: 0 5px;
}

.type-3 a:hover
{
  background: #fff;
  border-radius: 4px;
}

.type-3 .twitter, .type-3 .facebook, .type-3 .google-plus
{
  text-align: center;
  color: white;
  font-size: 26px;
  background: #9999ff;
  text-shadow: 0px 0px #6666ff, 1px 1px #6666ff, 2px 2px #6666ff, 3px 3px #6666ff, 4px 4px #6666ff, 5px 5px #6666ff, 6px 6px #6666ff, 7px 7px #6666ff, 8px 8px #6666ff, 9px 9px #6666ff, 10px 10px #6666ff, 11px 11px #6666ff, 12px 12px #6666ff, 13px 13px #6666ff, 14px 14px #6666ff, 15px 15px #6666ff, 16px 16px #6666ff, 17px 17px #6666ff, 18px 18px #6666ff, 19px 19px #6666ff, 20px 20px #6666ff, 21px 21px #6666ff, 22px 22px #6666ff, 23px 23px #6666ff, 24px 24px #6666ff, 25px 25px #6666ff, 26px 26px #6666ff, 27px 27px #6666ff, 28px 28px #6666ff, 29px 29px #6666ff, 30px 30px #6666ff;
}

.type-3 .facebook:hover
{
  text-shadow: 0px 0px #23335c, 1px 1px #23335c, 2px 2px #23335c, 3px 3px #23335c, 4px 4px #23335c3, 5px 5px #23335c, 6px 6px #23335c, 7px 7px #23335c, 8px 8px #23335c, 9px 9px #23335c, 10px 10px #23335c, 11px 11px #23335c, 12px 12px #23335c, 13px 13px #23335c, 14px 14px #23335c, 15px 15px #23335c, 16px 16px #23335c, 17px 17px #23335c, 18px 18px #23335c, 19px 19px #23335c, 20px 20px #23335c;
}

.type-3 .google-plus:hover
{
  text-shadow: 0px 0px #cc0044, 1px 1px #cc0044, 2px 2px #cc0044, 3px 3px #cc0044, 4px 4px #cc0044, 5px 5px #cc0044, 6px 6px #cc0044, 7px 7px #cc0044, 8px 8px #cc0044, 9px 9px #cc0044, 10px 10px #cc0044, 11px 11px #cc0044, 12px 12px #cc0044, 13px 13px #cc0044, 14px 14px #cc0044, 15px 15px #cc0044, 16px 16px #cc0044, 17px 17px #cc0044, 18px 18px #cc0044, 19px 19px #cc0044, 20px 20px #cc0044;
}

.type-3 .twitter:hover{background-color: #9999ff;}
.type-3 .facebook:hover{background-color: #3B579D;}
.type-3 .google-plus:hover{background-color: #DD4A3A;}
!

JS
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