how to change the size of text in css code example

Example 1: font size css

.class {
	font-size: 12px;
}

Example 2: html font size

<span style="font-size:20px;"></span>

Example 3: css change text size

p {
	font-size: 150% /*px, cm, in, etc.*/; 
}

Example 4: text size in CSS

font-size: 2em;

Example 5: font size css

/* you can set the font size using font-size: and a number followed by px */

.class {
  font-size: 60px;
}