css relearn
1.css grammar own Baidu nothing to say.
2.css selector
(1) Class Selector: class usage is, .h1 {color: red}
(2) id Selector: id usage is, # h1 {height: 300px}
(3) compliance with the selector: Usage is .h1 img {height: 400px; width: 300px}
3.css style:
Background, text, font, links, lists, tables,
Background: background-color
Text: There are not commonly used not write
text-indent: 1cm; text-indent 1cm
text-align :left,right,center;
Font: font-size