.mwab-container {
  position: fixed;
  bottom: var(--mwab-bottom, 20px);
  z-index: 999999 !important;
}
.mwab-right { right: var(--mwab-side, 20px); }
.mwab-left { left: var(--mwab-side, 20px); }

.mwab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0,0,0,.2);
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
}

.mwab-button:hover,
.mwab-button:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,0,0,.25);
  outline: none;
}

.mwab-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
}

.mwab-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: #fff;
}