css3基于animation绘制粉色卡通的外星人坐着飞船，ufo飞船飞来飞去元素动画特效。
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="spaceship">
<div id="star1"></div>
<div id="star2"></div>
<div id="star3"></div>
<div class="robot">
<div id="half">
<div id="brain"></div>
</div>
<div id="head">
<span id="lc"></span><span id="le"></span><span id="re"></span>
<div id="mouth"></div>
<span id="rc"></span>
</div>
<div id="foot"></div>
<div id="leg-1"></div>
<div id="leg-2"></div>
</div>
<div class="spaceship_top"></div>
<div class="spaceship_middle">
<div class="spaceship_balls_1"></div>
<div class="spaceship_balls_2"></div>
<div class="spaceship_balls_3"></div>
<div class="spaceship_balls_4"></div>
<div class="spaceship_balls_5"></div>
</div>
<div class="spaceship_bottom">
<div class="abduct_hole1"></div>
<div class="abduct_hole2"></div>
<div class="abduct_hole3"></div>
<div class="abduct_hole4"></div>
<div class="abduct_hole5"></div>
</div>
</div>
</div>
