H1 - Header without using any css

H2 - Header without using any CSS

H3 - Header without using any css

H4 - Header without using any css

H5 - Header without using any css
H6 - Header without using any css

H1 - using CSS class (banner-title)

H2 - using CSS class (main-title)

H2 - using CSS class (sub-title)

H3 - using CSS class (sub-title)

H3 - using CSS class (small-title)

H4 - using CSS class (small-title)