Thoroughly learn CSS-4 in one article
1. Double pseudo element removal method
2. Wizard map (will use)
3. Font icon (will use)
1. Ali iconfont font library
http://www.iconfont.cn/ A font icon font library from Ali
2. Use steps (will use)
Four, sliding doors
5. The special phenomenon of the coverage of floating elements (understand)
Six, BFC block-level formatting context (understand)
Seven, border rounded corners
8. Processing of input and textarea
Nine, the percentage setting of box width and height
10. Use of ico icon
11. The three major tags of seo on the web (understand)
Methods to improve web seo in actual development (understand the basic class)
The title tag of the page
Description tag
Keywords
12. Use css to write a triangle
Sometimes it is necessary to display a triangle on the page, and it is required to use only css code, without pictures or font icons, how to achieve it?
Thirteen, three common mouse styles
