### Marked text For highlighting a run of text due to its relevance in another context, use the `<mark>` tag. You can use the mark tag to highlight text. ~~~html You can use the mark tag to <mark>highlight</mark> text. ~~~ ### [](https://v3.bootcss.com/css/#被刪除的文本)被刪除的文本 對于被刪除的文本使用 `<del>` 標簽。 ~his line of text is meant to be treated as deleted text.~ ~~~html <del>This line of text is meant to be treated as deleted text.</del> ~~~ ### [](https://v3.bootcss.com/css/#無用文本)無用文本 對于沒用的文本使用 `<s>` 標簽。 ~his line of text is meant to be treated as no longer accurate.~ ~~~html <s>This line of text is meant to be treated as no longer accurate.</s> ~~~ ### [](https://v3.bootcss.com/css/#插入文本)插入文本 額外插入的文本使用 `<ins>` 標簽。 This line of text is meant to be treated as an addition to the document. ~~~html <ins>This line of text is meant to be treated as an addition to the document.</ins> ~~~ ### [](https://v3.bootcss.com/css/#帶下劃線的文本)帶下劃線的文本 為文本添加下劃線，使用 `<u>` 標簽。 This line of text will render as underlined ~~~html <u>This line of text will render as underlined</u> ~~~ 利用 HTML 自帶的表示強調意味的標簽來為文本增添少量樣式。 ### [](https://v3.bootcss.com/css/#小號文本)小號文本 對于不需要強調的inline或block類型的文本，使用 `<small>` 標簽包裹，其內的文本將被設置為父容器字體大小的 85%。標題元素中嵌套的 `<small>` 元素被設置不同的 `font-size` 。 你還可以為行內元素賦予 `.small` 類以代替任何 `<small>` 元素。 This line of text is meant to be treated as fine print. ~~~html <small>This line of text is meant to be treated as fine print.</small> ~~~ ### [](https://v3.bootcss.com/css/#著重)著重 通過增加 font-weight 值強調一段文本。 The following snippet of text is **rendered as bold text**. ~~~html <strong>rendered as bold text</strong> ~~~ ### [](https://v3.bootcss.com/css/#斜體)斜體 用斜體強調一段文本。 The following snippet of text is *rendered as italicized text*. ~~~html <em>rendered as italicized text</em> ~~~ #### Alternate elements 在 HTML5 中可以放心使用 `<b>` 和 `<i>` 標簽。`<b>` 用于高亮單詞或短語，不帶有任何著重的意味；而 `<i>` 標簽主要用于發言、技術詞匯等。