After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：The past and present life of HTML
标记标签，尖括号围起来de
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Courses in the relevant section：HTML attributes
选中后Ctrl+/注释一下
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Courses in the relevant section：HTML document titles and paragraphs
下划线 加粗 段落分段加p
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Courses in the relevant section：Text formatting in HTML
big small em i strong sub sup ins del pre
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Courses in the relevant section：Blocks in HTML
块级元素：新的一行开始 内联元素
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Courses in the relevant section：The third step of pure HTML web page layout
valign top 向上对齐
2020-05-080个赞
Courses in the relevant section：What is CSS?
Cascading Style Sheets 层叠样式表
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Courses in the relevant section：Basic CSS selectors (element, category, ID)
类别选择器. id选择器#
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