default font size html code example
Example 1: how to change font size in html
<body>
<h1 style="color:red;font-size:40px;">Heading</h1>
<p style="color:blue;font-size:18px;">This is demo text</p>
</body>
Example 2: html font size
<span style="font-size:20px;"></span>
Example 3: how to increase font size in html
font-size: 25px;
Example 4: html font size
<h1 style="font-size:10vw">Hello World</h1>