html default font size 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: css change text size

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

Example 5: css font-size

#selector{
    font-size:20px;
}

Example 6: html font size

<h1 style="font-size:10vw">Hello World</h1>

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Css Example