How to change font size of heading using CSS?

Answer

To change font size of heading using CSS, you can set the font-size style property for the heading 2 elements with the values like 20px, 2rem, 1.1in, etc.

CSS Code

The following is the typical CSS code to change font size of heading in HTML page using tag name h2.

Using pixels

h2 {
   font-size: 20px;
}

Using font size relative to parent

h2 {
   font-size: 2rem;
}

Using inches

h2 {
   font-size: 1.1in;
}

Examples

We shall go through some working examples on how to change font size of heading using CSS. In the following examples, you may change the value of font-size and Run the code to visually observe the changes made to the Heading 2 elements.