.wa-float{
  position: fixed !important;
  right: 18px;
  bottom: 18px;
  z-index: 999999;
}

/* mobile tweak */
@media (max-width: 640px){
  .wa-float{
    right: 14px;
    bottom: 14px;
  }
}
.wa-float a, .wa-float{
  border-radius: 999px !important;
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
}
.wa-float{
  transform: none !important;
}