default values for h1-h6 css code example
Example 1: h1
<h1>Message Here</h1>
<h1 style="color: red"> Message Here</h1>
Example 2: css h sizes
h1 => 32px (2em)
h2 => 24px (1.5em)
h3 => 20.8px (1.3em)
h4 => 16px (1em)
h5 => 12.8px (0.8em)
h6 => 11.2px (0.7em)