.whastapp {
  position: fixed;
  bottom: 24px;
  z-index: 9999;
}

.whastapp--right {
  right: 24px;
}

.whastapp--left {
  left: 24px;
}

.whastapp a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #25D366;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.whastapp a:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

.whastapp img {
  width: 30px;
  height: 30px;
  display: block;
}

@media (max-width: 480px) {
  .whastapp {
    bottom: 16px;
  }

  .whastapp--right {
    right: 16px;
  }

  .whastapp--left {
    left: 16px;
  }

  .whastapp a {
    width: 52px;
    height: 52px;
  }
}