Summary  
This chapter explains how to apply CSS utility classes to style text elements—adjusting headings, font sizes, font weights, italics, lead text emphasis, and alignment—using Bootstrap’s typography system.  

General domain of usage  
Front-end web development and UI styling

Bootstrap provides a set of typography classes for consistent styling of text elements. These classes can be applied to headings, paragraphs, spans, and other text elements.

## Headings 
Headings can be styled using classes such as `h1` to `h6` to adjust their sizes.

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## Font size 
Bootstrap provides classes like `fs-1`, `fs-2`, `fs-3`, `fs-4`, `fs-5`, and `fs-6` to control font (text) sizes.

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## Font weight and italics
Font weights can be set using the class `fw-*` (`font-weight`), while italic styling can be achieved using the class `fst-*`(`font-style`).

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## Lead text
The `lead` class is used to add emphasis to a paragraph by increasing its font size and weight.

## Text alignment 
Classes like `text-start`, `text-center`, and `text-left` are used to align text elements.

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Typography Essentials in Bootstrap

Common Typography Classes

Headings

Font size

Font weight and italics

Lead text

Text alignment