纯css实现气泡效果

div.bubble{
  position: absolute;
  margin: 0;
  padding: 0;
  color: #86181d;
  background-color: #ffdce0;
  border-color: #cea0a5;
  display:block;
  border:1px solid;
  border-radius: 4px;
  padding: 2px;
}
div.bubble::before{
  content: ‘ ‘;
  display: block;
  border-right:7px solid #ffdce0;
  border-left:7px solid  transparent;
  border-top:7px solid  transparent;
  border-bottom: 7px solid transparent;
  width: 0px;
  height: 0px;
  position: absolute;
  top:4px;
  left:-14px;
  z-index: 3;
}
div.bubble::after{
  content: ‘ ‘;
  display: block;
  border-right:8px solid #86181d;
  border-left:8px solid  transparent;
  border-top:8px solid  transparent;
  border-bottom: 8px solid transparent;
  width: 0px;
  height: 0px;
  position: absolute;
  top:3px;
  left:-16.5px;
  z-index: 2;
}