:root{--bubble-main-color: #ffffff;--border: 2px rgba(66, 66, 66, .289) solid}.bubble{border-radius:7px 7px 10px 10px;position:relative;padding:10px;background:var(--bubble-main-color);border:var(--border);color:#666;z-index:10}.bubble:before{content:"";position:absolute;z-index:0;width:20px;height:20px;background-color:var(--bubble-main-color);bottom:-11px;border-bottom:var(--border);border-right:var(--border);left:50%;transform:translate(-50%) rotate(45deg);border-radius:0 0 30%}