.whatsapp-chat {
  position: fixed;
  z-index: 1055;
  bottom: var(--whatsapp-chat-offset-bottom, 5.5rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  padding: 0;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 0.25rem 1rem rgba(37, 211, 102, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.whatsapp-chat:hover,
.whatsapp-chat:focus-visible {
  color: #fff;
  filter: brightness(0.97);
  transform: translateY(-1px);
  box-shadow: 0 0.35rem 1.25rem rgba(37, 211, 102, 0.45);
}

.whatsapp-chat--bottom-right {
  right: 1rem;
}

.whatsapp-chat--bottom-left {
  left: 1rem;
}

.whatsapp-chat__icon {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
}

.whatsapp-chat__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}