css3基于keyframes酷炫的光柱动画，显示网格图片布局，悬停放大效果。这是一款酷炫的引导页动效。
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="main-container">
<div class="x x-top">
<div class="plus left plus-top-left"></div>
<div class="plus right plus-top-right"></div>
</div>
<div class="video">
<div class="colors">
<div class="color1 color"></div>
<div class="color2 color"></div>
<div class="color3 color"></div>
<div class="color4 color"></div>
<div class="color5 color"></div>
</div>
</div>
<div class="x x-bottom">
<div class="plus left plus-bottom-left"></div>
<div class="plus right plus-bottom-right"></div>
</div>
<!--second elements-->
<div class="bg">网格</div>
<div class="arrow arrow-top">
<div class="head"></div>
</div>
<div class="arrow arrow-bottom">
<div class="head2"></div>
</div>
<div class="big">我的项目</div>
<div class="plus plus-center plus1"></div>
<div class="plus plus-center plus2"></div>
<div class="plus plus-center plus3"></div>
<div class="plus plus-center plus4"></div>
<div class="center-square"></div>
<div class="top-text first-text">
<div class="this">THIS </div>
<div class="is">IS </div>
<div class="my">我的助手</div>
</div>
<div class="bottom-text first-text">
<div class="this">THIS </div>
<div class="is">IS </div>
<div class="my">我的助手</div>
</div>
<div class="projects">
<div class="row row-first">
<a href="#"><div class="project binary"></div></a><a href="#"><div class="project arcade"></div></a><a href="#"><div class="project building"></div></a><a href="#"><div class="project ball"></div></a>
</div>
<div class="row row-second">
<a href="#"><div class="project pikachu"></div></a><a href="#"><div class="project torchic"></div></a><a href="#"><div class="project portfolio"></div></a><a href="#"><div class="project ps4"></div></a>
</div>
</div>
</div>
