html,body{min-height:100%}:root{color-scheme:light}.whatsapp-fab{transition:transform .15s ease}.whatsapp-fab:hover{transform:scale(1.06)}@media(max-width:420px){.whatsapp-fab{right:14px;bottom:18px;width:52px;height:52px}}@media(min-width:421px){.whatsapp-fab{right:24px;bottom:24px;width:60px;height:60px}}