CSS font属性
font-family
font-style
1.normal
2,italic
3.oblique
font-size
absolute size
relative sizeet the size realtive to surrounding elements.
没有指定字体尺寸的话。默认的正常文本尺寸，比如paragraph.
is 16px( 16px=1em)
to avoid the resizing problem with ie,many developers use em instead of pixels
font-weight:
1.bold
2normal
3bolder
4lighter
font-variant
1 normal
2 small-caps
3inherit
font-stretch
@font-face
可以继承都有font ,font-famliy,font-size,font-style,font-variant,font-wieht; (5合1）
Text文本
text-indent,
text-align;
word-spacing;
text-transform;
letter-spacing,line-height;