H1-H6 font sizes in HTML

Question

In HTML (and in typography in general, I suppose), there appears to be some defined sizes for H1-H6 -elements.

Ie., if the baseline font size is 16px (or 100%), then h1

Answer 1

For bootstrap the variation of heading tags font-sizes in pixels are as follows check this bootstrap headings

h1 - 36px)
h2 - 30px
h3 - 24px
h4 - 18px
h5 - 14px
h6 - 12px