.chatbtna_a{display:none!important}body{overflow:hidden!important}[dir] body{background:#333!important}.chat-wallpaper .card{height:90vh!important}[dir=ltr] .right{float:right}[dir=rtl] .right{float:left}[dir] .left{background:#ddd!important}[dir=ltr] .left{float:left}[dir=rtl] .left{float:right}[dir] .msg{border-radius:10px 10px 20px 20px;margin-top:10px}