css中的属性大部分都可以被继承，但是也有众多不能被继承，比如display, position,float,width,border-color,border-style,text-decoration,left,right,top,bottom等不被继承。下面列出能被继承的属性。详细见：
http://www.w3.org/TR/CSS21/propidx.html
azimuth
border-collapse
border-spacing
caption-side
color
cursor
direction
elevation
empty-cells
font-family
font-size
font-style,font-weight,font,
letter-spacing,
line-height
list-style-image
list-style-position
list-style
list-style-type
orphans
quotes,
richness
speak-header
text-align
text-indent
text-transformation
visibility,
white-space, z-index
原文：http://www.cnblogs.com/kidsitcn/p/4420201.html