使用方法：

1、head引入css文件

<link type="text/css" href="css/style.css" rel="stylesheet" />

2、body引入部分

<div class="circle_box">
   <div class="round">
    <div class="circle">
     <a>大數(shù)據(jù)</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>智慧場(chǎng)景</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>社群</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>線上線下<br />大融合</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>新物種</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>超級(jí)IP</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>極致體驗(yàn)</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle">
     <a>消費(fèi)進(jìn)階</a>
    </div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle"></div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle"></div>
    <div class="circle_bottom animation "></div>
    <div class="circle_bottom2 animation2 "></div>
   </div>
   <div class="round">
    <div class="circle"></div>
   </div>
   <div class="round">
    <div class="circle"></div>
   </div>
   <div class="round">
    <div class="circle"></div>
   </div>
</div>