/* Whats App */
.btn-whatsapp a {
    color:#fff; 
    text-decoration:none; 
    display:block; 
}
.btn-whatsapp {
    z-index: 9;
    position:fixed; 
    left:80px; 
    bottom:0%; 
    transform: translate(-50%, -50%);  
    background-color:rgb(37, 211, 102); 
    width:60px; height:60px; 
    text-align:center; 
    line-height:58px; 
    font-size:1.8em; 
    color:#ffffff; 
    font-weight:100; 
    border-radius:50%; 
}
.btn-whatsapp:before,
.btn-whatsapp:after
{
    content: '';
    display:block;
    position: absolute;
    border-radius:50%;
    border:1px solid #25d366;
    left: -20px;
    right: -20px;
    bottom: -20px;
    top: -20px;
    animation: animate 1.5s linear infinite;
    opacity:0;
    backface-visibility:hidden;    
}
.pulsaDelay:after { animation-delay: .5s; }
@keyframes animate {
   0%   { transform: scale(0.5); opacity:0; }
   50%  { opacity:1; }
   100% { transform: scale(1.2); opacity:0; }
}