HTML(Hyper Text Markup Language)是用来作为一种网页格式的语言。CSS(Cascading Style Sheets)是一种用于网页和印刷排版的技术。它们共同构成了互联网表现的基础。
HTML的基本结构
DTD(Document Type Definition)是告诉浏览器,文档所使用的HTML语言的版本,版本和各自的DTD为:
HTML 4.01 Transitiona
HTML 5
XHTML 1.0 Transition
HTML结构标签
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