Did you know that when you format your text in WordPress you may be adding or changing the CSS in your page? CSS stands for Cascading Style Sheets. It is what makes the website look pretty. Some of the tags that are associated with CSS are uppercase which is text-transform, how to align the body of text which is text-align. Some examples of WordPress would like before being published; I will use the example of changing a text to uppercase and I will use the word CSS:
h1 {
text-transform: uppercase;
font-family: Arial
}

CSS