there is padding and margin in html code example

Example 1: html padding

<h2 style="padding-top: 20px; padding-right: 20px; padding-bottom: 20px; padding-left: 20px">London</h2>

Example 2: what is padding in css

An element's padding area is the space between its content and its border. Note: Padding creates extra space within an element. In contrast, margin creates extra space around an element.