.wafi-float{
  position:fixed;
  bottom:20px;
  right:20px;
  background:#25D366;
  color:#fff;
  font-size:26px;
  padding:16px;
  border-radius:50%;
  cursor:pointer;
  z-index:9999;
}
.wafi-popup{
  display:none;
  position:fixed;
  bottom:90px;
  right:20px;
  width:320px;
  background:#fff;
  border-radius:10px;
  box-shadow:0 5px 20px rgba(0,0,0,.3);
  z-index:9999;
}
.wafi-header{
  background:#25D366;
  color:#fff;
  padding:12px;
  font-weight:600;
}
.wafi-close{float:right;cursor:pointer;}
.wafi-body{padding:15px;}
.wafi-body input,.wafi-body textarea{
  width:100%;
  padding:8px;
  margin-bottom:8px;
}
.wafi-body button{
  width:100%;
  background:#25D366;
  color:#fff;
  border:none;
  padding:10px;
}
.wafi-success{color:green;font-weight:600;}