.back-to-top{--btt-btn-size:36px;--chat-btn-size:56px;height:0;inset-inline-end:25px;position:absolute}.back-to-top-button{border:none;border-radius:50%;color:#fff;display:none;font-size:calc(var(--btt-btn-size)/2);height:var(--btt-btn-size);padding:0;position:relative;top:calc((25px + var(--btt-btn-size))*-1);width:var(--btt-btn-size)}.back-to-top-button--with-chat{top:calc((2*25px + var(--btt-btn-size) + var(--chat-btn-size))*-1)}@media (min-width:768px){.back-to-top-button{--btt-btn-size:44px}}@media (min-width:992px){.back-to-top-button{--btt-btn-size:50px}}.back-to-top--chevron-icon{font-size:inherit}.embeddedMessagingConversationButton{--eswButtonRight:25px}