making h1 tag width code example
Example 1: html h1 size
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)
Example 2: how tomake a h1 tag
<h1>Hello World</>