Html5 Heading tag

 Html5 heading tag use for title or subtitle in a website. 

heading tag has default px size.

h1 == 32 px

h2 == 24 px

h3 == 18.72

h4 == 16px

h5 == 13.28 px

h6 == 10.72 px

<h1>Heading one</h1>

<h2>Heading two</h2>

<h3>Heading three</h3>

<h4>Heading four</h4>

<h5>Heading five</h5>

<h6>Heading six</h6>