body {
  margin: 0;
  background: #ffffff;
  font-family: Arial, sans-serif;
  min-height: 100vh;
}

.whatsapp-button {
  position: fixed;
  left: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 9999;
  transition: transform 0.2s ease;
}

.whatsapp-button:hover {
  transform: scale(1.08);
}

.whatsapp-button img {
  width: 64px;
  height: 64px;
  display: block;
}