.btn {
    position: relative;
  
    display: block;
    margin: 2px auto;
    padding: 0;
  
    overflow: hidden;
  
    border-width: 0;
    outline: none;
    border-radius: 15px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .6);
    
    background-color: #ffffff;
    color: #ecf0f1;
    border: 2px solid #fff;
    
    transition: background-color .3s;
  }
  
  .btn:hover, .btn:focus {
    background-color: #ffffff;
  }
  
  .btn > * {
    position: relative;
  }
  
  .btn span {
    display: block;
    padding: 12px 24px;
  }
  
  .btn:before {
    content: "";
    
    position: absolute;
    top: 50%;
    left: 50%;
    
    display: block;
    width: 0;
    padding-top: 0;
      
    border-radius: 100%;
    
    background-color: rgba(236, 240, 241, .3);
    
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }
  
  .btn:active:before {
    width: 120%;
    padding-top: 120%;
    
    transition: width .2s ease-out, padding-top .2s ease-out;
  }
  
  /* Styles, not important */
  *, *:before, *:after {
    box-sizing: border-box;
  }
  


 
  
  .btn.orange {
    background-color: #e67e22;
  }
  
  .btn.orange:hover, .btn.orange:focus {
    background-color: #d35400;
  }
  
  .btn.red {
    background-color: #ffffff;
    color: #000000;
  }
  
  .btn.red:hover, .btn.red:focus {
    background-color: #060f87;
    color: #fff;
  }