bootstrapwordsize

,Bootstrap'sglobaldefaultfont-sizeis14px,withaline-heightof1.428.Thisisappliedtotheelementandallparagraphs(

).Inaddition,all< ...,Customizeyouravailablefont-sizesbymodifyingthe$font-sizesSassmap.Fontweightanditalics.Quicklychangethefont-weightorfont-styleoftextwith ...,Foramoreinclusiveandaccessibletypescale,weassumethebrowserdefaultrootfont-size(typically16px)sovisitors...

參考資訊如下
Bootstrap 4 TextTypography

Bootstrap TextTypography

Bootstrap's global default font-size is 14px, with a line-height of 1.428. This is applied to the &lt;body&gt; element and all paragraphs ( &lt;p&gt; ). In addition, all &lt; ...

Text · Bootstrap v5.0

Customize your available font-size s by modifying the $font-sizes Sass map. Font weight and italics. Quickly change the font-weight or font-style of text with ...

Typography

For a more inclusive and accessible type scale, we assume the browser default root font-size (typically 16px) so visitors can customize their browser defaults ...

Typography · Bootstrap v4.6

For a more inclusive and accessible type scale, we use the browser's default root font-size (typically 16px) so visitors can customize their browser defaults as ...

Typography · Bootstrap v5.0

For a more inclusive and accessible type scale, we use the browser's default root font-size (typically 16px) so visitors can customize their browser defaults as ...

Typography · Bootstrap v5.3

For a more inclusive and accessible type scale, we use the browser's default root font-size (typically 16px) so visitors can customize their browser defaults as ...

文字(Text) · Bootstrap 5 繁體中文文件

End aligned text on all viewport sizes. Start aligned text on viewports sized SM (small) or wider. Start aligned text on viewports sized MD (medium) or wider.

文字排版(Typography) - Bootstrap

... Bootstrap does use Responsive Font Sizing (RFS). Bootstrap. Designed and built with all the love in the world by the Bootstrap team with the help of our ...