.whatsappbtn {
  position: fixed;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--whatsappbtn-size, 56px);
  height: var(--whatsappbtn-size, 56px);
  bottom: var(--whatsappbtn-bottom, 24px);
  background: var(--whatsappbtn-color, #25D366);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  text-decoration: none;
  z-index: var(--whatsappbtn-zindex, 9999);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsappbtn--right {
  right: var(--whatsappbtn-side, 24px);
}

.whatsappbtn--left {
  left: var(--whatsappbtn-side, 24px);
}

.whatsappbtn:hover,
.whatsappbtn:focus {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.whatsappbtn__icon {
  width: 62%;
  height: 62%;
  fill: currentColor;
  display: block;
}

.whatsappbtn__icon[src] {
  object-fit: contain;
}