Introduction:

Bootstrap, a popular front-end framework for building responsive and mobile-first websites, includes various typography classes to help you easily style text content. Here are some key typography classes provided by Bootstrap:

1. Headings: Bootstrap offers heading classes from h1 to h6. These classes set the font size and margins for headings.
2. Paragraphs: Bootstrap provides classes to style paragraphs, such as .lead for larger, highlighted text.
3. Text Alignment: You can align text using classes like .text-left, .text-center, .text-right, and .text-justify.
4. Text Transformation: Bootstrap offers classes like .text-lowercase, .text-uppercase, and .text-capitalize to transform text.
5. Font Weights and Styles: You can use classes like .font-weight-bold and .font-italic to apply bold and italic styles to text.
6. Abbreviations and Addresses: Bootstrap provides classes for styling abbreviations and addresses.