HTML5实现微信聊天气泡效果

HTML5实现微信聊天气泡效果图：

话不多说直接放代码：

<div class="container-manc">
<!-- Notice/Center -->
<div class="chat-notice">
<span>漫川邀请“汤圆”进入群聊</span>
</div>
<!-- Left -->
<div class="chat-sender">
<div><img src="http://q.qlogo.cn/headimg_dl?dst_uin=82632418&spec=640&img_type=jpg"></div>
<div>汤圆</div>
<div>
<div class="chat-left_triangle"></div>
<span>哇！博主的站点真的好好看，请问如何给博主进行留言呢？</span>
</div>
</div>
<!-- Right -->
<div class="chat-receiver">
<div><img src="http://q.qlogo.cn/headimg_dl?dst_uin=28422961&spec=640&img_type=jpg"></div>
<div>漫川</div>
<div>
<div class="chat-right_triangle"></div>
<span>您可以在下面与博主进行留言，看到会回复您的喔！</span>
</div>
<!-- Right -->
<div class="chat-receiver">
<div><img src="http://q.qlogo.cn/headimg_dl?dst_uin=28422961&spec=640&img_type=jpg"></div>
<div>漫川</div>
<div>
<div class="chat-right_triangle"></div>
<span>您的每句话都会记录在漫川站点的数据库里，直到风消失的那天.</span>
</div>
</div>

CSS代码：

/*微信聊天气泡*/

    .chat-sender{
      clear:both;
      font-size: 80%;
    }
    .chat-sender div:nth-of-type(1){
      float: left;
    }
    .chat-sender div:nth-of-type(2){
      margin: 0 50px 2px 50px;
      padding: 0px;
      color: #848484;
      font-size: 70%;
      text-align: left;
    }
    .chat-sender div:nth-of-type(3){
      background-color: #efefef;
      /*float: left;*/
      margin: 0 50px 10px 50px;
      padding: 10px 10px 10px 10px;
      border-radius:7px;
      text-indent: -12px;
    }

    .chat-receiver{
      clear:both;
      font-size: 80%;
    }
    .chat-receiver div:nth-of-type(1){
      float: right;
    }
    .chat-receiver div:nth-of-type(2){
      margin: 0px 50px 2px 50px;
      padding: 0px;
      color: #848484;
      font-size: 70%;
      text-align: right;
    }
    .chat-receiver div:nth-of-type(3){
      /*float:right;*/
      background-color: #b2e281;
      margin: 0px 50px 10px 50px;
      padding: 10px 10px 10px 10px;
      border-radius:7px;
    }

    .chat-receiver div:first-child img,
    .chat-sender div:first-child img{
      width: 40px;
      height: 40px;
      border-radius: 10%;
    }

    .chat-left_triangle{
      height: 0px;
      width: 0px;
      border-width: 6px;
      border-style: solid;
      border-color: transparent white transparent transparent;
      position: relative;
      left: -22px;
      top: 3px;
    }
    .chat-right_triangle{
      height: 0px;
      width: 0px;
      border-width: 6px;
      border-style: solid;
      border-color: transparent transparent transparent #b2e281;
      position: relative;
      right:-22px;
      top:3px;
    }

    .chat-notice{
      clear: both;
      font-size: 70%;
      color: white;
      text-align: center;
      margin-top: 15px;
      margin-bottom: 15px;
    }
    .chat-notice span{
      background-color: #cecece;
      line-height: 25px;
      border-radius: 5px;
      padding: 5px 10px;
    }