css背景颜色动态渐变实例

1.https://www.imooc.com/article/27831

2.https://blog.csdn.net/lolgenius/article/details/70169493

3.https://www.lanrenzhijia.com/js/3905.html

4.https://www.html5tricks.com/html5-3d-bubble-menu.html

5.条纹背景

6.背景色从做慢慢移到右