[CSS在线]-示例代码p:first-letter { font-size: 3em; float: left; } p:first-line { font-weight: bold; } 前和后 前before和后after伪元素与内容content属性用于元素的两边,在不更改HTML的情况下改变内容的两边事物。 内容属性的值可以open-quote(开引号)、close-quote(闭括号)、no-open-quote(无开括...
CSS基础-12-伪类和伪元素-02-伪元素(元素第一行::first-line,首字母大写::first-letter,元素之前|之后::before|after) @[toc] 1. 伪元素 CSS 伪元素用于设置元素指定部分的样式。它是一个附加至选择器末的关键词,允许你对被选择元素的特定部分修改样式 例如,它可用于: 设置元素的首字母、首行的样式 在元素...
文章目录 1. 伪元素2. 常用伪元素2.1 元素第一行(::first-line)2.2 首字母大写 (::first-letter)2.3 元素之前|之后 (::before|after) 1. 伪元素 CSS 伪元素用于设置元素指定部分的样式。它是一个附加至选择器末的关键词,允许你对被选择元素
::first-line选择器:https://man.ilovefishc.com/pageCSS3/dotfirst-line.html ::first-letter选择器:https://man.ilovefishc.com/pageCSS3/dotfirst-letter.html ::before选择器:https://man.ilovefishc.com/pageCSS3/dotBefore.html ::after选择器:https://man.ilovefishc.com/pageCSS3/dotAfter....
::before 选择器,在被选中的文字前面加入内容: ::after 选择器,在被选中的文字后面加入内容: <!DOCTYPE html>伪元素选择器/* 在p元素前后加入内容 */a::before{content:"加在开头";}a::after{content:"加在最后";}Lorem ipsum dolor sit amet consectetur adipisicing elit. Repellat numquam laboriosam ...
Transform a string representation of React components before they are written to output. For example, you might want to apply a gradient to text, add a clickable link or create some text effects. These use cases can't accept React nodes as input, they are expecting a string. That's what...
ElementsAfter() 枚举与当前元素相同的父级的所有同级元素。 (继承自 OpenXmlElement) ElementsBefore() 枚举当前元素之前且具有与当前元素相同的父级的所有同级元素。 (继承自 OpenXmlElement) GetAttribute(String, String) 获取具有指定标记名称和命名空间 URI 的 Open XML 属性。 (继承自 OpenXmlElement)...
We added line-break: anywhere, but resolved to break at preserved spaces too. Looking at requests from authors (crbug.com/720205 and an author page linked from it), what author wants is Gecko/WebKit behavior, which is break before/after ...
3.27 before-after-display-types-001 3.28 before-after-dynamic-attr-001 3.29 before-after-dynamic-restyle-001 3.30 before-after-table-whitespace-001 3.31 before-content-display-003 3.32 bidi-002 3.33 bidi-003 3.34 bidi-004 3.35 bidi-005b 3.36 bidi-006b 3.37 bidi-007b 3.38 bidi-009b 3.39 bi...
2.1.22 [CSS-Level2-2009] Section 5.12.1, The :first-line pseudo-element 2.1.23 [CSS-Level2-2009] Section 5.12.2, The :first-letter pseudo-element 2.1.24 [CSS-Level2-2009] Section 5.12.3, The :before and :after pseudo-elements 2.1.25 [CSS-Level2-2009] Section 6.2.1, The...