使用方法：
1、head引入css文件
<link rel="stylesheet" href="css/style.css">
2、body引入部分
<div class="container">
<div class="dragon">
<span class="d3"></span>
<span class="d1"></span>
<span class="d2"></span>
<span class="d4"></span>
<span class="d5"></span>
<span class="d6"></span>
<div class="eyes">
<div class="iris"></div>
<div class="iris7"></div>
</div>
<div class="eyes3">
<div class="iris"></div>
<div class="iris7"></div>
</div>
<div class="boca"></div>
<div class="arco"></div>
</div>
<div class="fire">
<div class="fuego">
<div class="red flame"></div>
<div class="orange flame"></div>
<div class="yellow flame"></div>
<div class="white flame"></div>
</div>
</div>
</div>
