Landing Page appears differently in editor compared to published site

My landing page looks correct in the editor - the spacing is good and the full hero image appears, however, when I save and go to the live site it looses its HTML formatting and hero image is cropped. Can this be fixed?

Landing page in editor:

Landing Page - live:

I need to show the heading sub-copy in the manner shown:

Acquisition Edge

Smarter Deals. Faster Decisions.

[sub-text]