.whatsapp-b2b{ position:fixed; display:block; bottom:0; left:0; width:100%; padding:0; background:#ff7700; margin:0; z-index:50; overflow:visible; }
.whatsapp-b2b:after{ content:""; position:absolute; bottom:10px; right:-2px; width:380px; height:82px; background-color:rgba(255,255,255,.86); border-top-left-radius:41px; border-bottom-left-radius:41px; border:1px solid #DDDDDD; }
.whatsapp-b2b-calltoaction{ display:block; border:none; padding:1rem; text-align:center; font-size:1.2rem; line-height:1; color:#FFFFFF; }
.whatsapp-b2b-calltoaction:hover{ color:#DDDDDD;}

.main{ padding-bottom:8rem; }

.btn-whatsapp{ position:fixed; bottom:2rem; left:2rem; width:4rem; height:4rem; z-index:150; }
.btn-whatsapp a{ display:block; position:relative; width:4rem; height:4rem; background-repeat:no-repeat; background-position:center; background-size:contain; }
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