CSS预定义的颜色名称

css21-predefined-color-names
CSS2.1中预定了17个颜色名词,他们如下:

aqua(浅蓝绿色), black(黑色), blue(蓝色), fuchsia(紫红色), gray(灰色), green(绿色), lime(鲜绿色), maroon(栗色), navy(藏青色), olive(橄榄色), orange(橙色), purple(紫色), red(红色), silver(银色), teal(凫色), white(白色), and yellow(黄色).

需要注意的地方是在CSS3中,预定义颜色名称为16个,没有了orange(橙色)。
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xHTML中的inline与block呈现标签

在xHTML中以Inline呈现的常用标签有(共25个):

a, abbr, acronym, bdo, br, button, cite, code, del, dfn, em, img, input, ins, kbd, label, map, object, q, samp, select, span, strong, textarea, and var elements.

在xHTML中以Block呈现的常用标签有(共18个):

address, blockquote, div, dl, form, h1, h2, h3, h4, h5, h6, noscript, ol, p, pre, script, table, and ul elements.

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