css3屬性繪制插在地上的沙灘傘，遮陽傘旋轉(zhuǎn)動畫特效。這個css網(wǎng)頁元素，適用于一些專題頁面效果。
使用方法：
1、head引入css文件
<link rel="stylesheet" href="css/style.css">
2、body引入HTML代碼
<div class="background">
<div class="umbrellaWrapper">
<div class="pole"></div>
<div class="umbrella">
<div class="triangle triangle-1"></div>
<div class="triangle triangle-2"></div>
<div class="triangle triangle-3"></div>
<div class="triangle triangle-4"></div>
<div class="triangle triangle-5"></div>
<div class="triangle triangle-6"></div>
<div class="triangle triangle-7"></div>
<div class="triangle triangle-8"></div>
<div class="triangle triangle-9"></div>
<div class="triangle triangle-10"></div>
<div class="triangle triangle-11"></div>
<div class="triangle triangle-12"></div>
</div>
<div class="shadowPole"></div>
<div class="shadowUmbrella">
<div class="triangle triangle-1"></div>
<div class="triangle triangle-2"></div>
<div class="triangle triangle-3"></div>
<div class="triangle triangle-4"></div>
<div class="triangle triangle-5"></div>
<div class="triangle triangle-6"></div>
<div class="triangle triangle-7"></div>
<div class="triangle triangle-8"></div>
<div class="triangle triangle-9"></div>
<div class="triangle triangle-10"></div>
<div class="triangle triangle-11"></div>
<div class="triangle triangle-12"></div>
</div>
</div>
</div>
