body {
  margin: 0;
  padding: 0;
}

.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}

.whatsapp-button a {
  display: block;
  text-decoration: none;
}

.whatsapp-button img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}