css default font size code example

Example 1: html font size

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

Example 2: css change text size

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

Example 3: text size in CSS

font-size: 2em;

Example 4: css font-size

#selector{
    font-size:20px;
}

Example 5: css font size

// to scale font size in relation to its parent element
style="font-size: 2vw;"