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https://www.w3schools.com/css/css_pseudo_classes.asp What are Pseudo-classes? A pseudo-class is used to define a special state of an element. For exam 阅读全文
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https://www.w3schools.com/css/css_combinators.asp CSS Combinators 组合器 A combinator is something that explains the relationship between the selectors. 阅读全文
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https://www.w3schools.com/css/css_selectors.asp A CSS selector selects the HTML element(s) you want to style. CSS Selectors CSS selectors are used to 阅读全文
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https://www.w3schools.com/css/css_syntax.asp A CSS rule consists of a selector and a declaration block. CSS Syntax The selector points to the HTML ele 阅读全文
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https://www.w3schools.com/css/css_intro.asp CSS is the language we use to style a Web page. What is CSS? CSS stands for Cascading Style Sheets CSS des 阅读全文
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使用快捷键： 按下 Ctrl + F（在Mac上是 Cmd + F）打开查找和替换界面， 然后选择“使用正则表达式”复选框， 并在“查找”框中输入 ^\s*\n， 在“替换”框中留空或输入您想要的替换文本（无内容即为删除），点击“全部替换”按钮。 阅读全文
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vs code 自动调整代码格式 安装插件： 阅读全文