/* General button style */
.btn {
    border: none;
    font-family: 'Lato';
    font-size: inherit;
    color: inherit;
    background: none;
    cursor: pointer;
    padding: 25px 80px;
    display: inline-block;
   
    /*margin: 15px 30px;*/
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    outline: none;
    position: relative;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
  }
  
  .btn:after {
    content: '';
    position: absolute;
    z-index: -1;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
  }
  
  /* Pseudo elements for icons */
  .btn:before {
    font-family: 'FontAwesome';
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    position: relative;
    -webkit-font-smoothing: antialiased;
  }
  
  
  /* Icon separator */
  .btn-sep {
    padding: 25px 60px 25px 120px;
  }
  
  .btn-sep:before {
    background: rgba(0,0,0,0.15);
  }
  
  /* Button 1 */
  .btn-1 {
    background: #3498db;
    color: #fff;
  }
  
  .btn-1:hover {
    background: #2980b9;
  }
  
  .btn-1:active {
    background: #2980b9;
    top: 2px;
  }
  .centered:active{
    top:calc(50% + 2px);
    }
  .btn-1:before {
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    line-height: 3;
    font-size: 140%;
    width: 60px;
  }
  
  /* Button 2 */
  .btn-2 {
    background: #2ecc71;
    color: #fff;
  }
  
  .btn-2:hover {
    background: #27ae60;
  }
  
  .btn-2:active {
    background: #27ae60;
    top: 2px;
  }
  
  .btn-2:before {
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    line-height: 3;
    font-size: 140%;
    width: 60px;
  }
  
  /* Button 3 */
  .btn-3 {
    background: #e74c3c;
    color: #fff;
  }
  
  .btn-3:hover {
    background: #c0392b;
  }
  
  .btn-3:active {
    background: #c0392b;
    top: 2px;
  }
  
  .btn-3:before {
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    line-height: 3;
    font-size: 140%;
    width: 60px;
  }
  
  /* Button 3 */
  .btn-4 {
    background: #34495e;
    color: #fff;
  }
  
  .btn-4:hover {
    background: #2c3e50;
  }
  
  .btn-4:active {
    background: #2c3e50;
    top: 2px;
  }
  
  .btn-4:before {
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    line-height: 3;
    font-size: 140%;
    width: 60px;
  }
  
  /* Icons */
  
  .icon-cart:before {
    content: "\f07a";
  }
  
  .icon-heart:before {
    content: "\f55a";
  }
  
  .icon-info:before {
    content: "\f05a";
  }
  
  .icon-send:before {
    content: "\f1d8";
  }

  .icon-caret-up:before {
    content: "\f0d8";
  }
  .icon-caret-down:before {
    content: "\f0d7";
  }