We're going to call spacings the space we give to all elements of our header, body, and footer.
In CSS, these are call
When you give padding to an element, say heading-1, you are pushing the space inside of this element.
First, let's look at padding from
<div><h3>Subtitle of the Course</h3></div>
<div><h3 style="padding: 20px;">Subtitle of the Course</h3></div>
# Padding in Bootstrap
<div><h3 class="p-3">Subtitle of the Course</h3></div>
When you give margin to an element, like a
paragraph or a
ul, you are pushing the space outside of this element.