Thank you for writing in, first please add a section to your page with a
1/3 + 1/3 + 1/3 columns layout, then inspect each of these columns.
Enable the Advance background option and you'll get an upper and lower background settings. Set the lower background to be an image and the upper background as the color overlay. Also, add
2em padding on all sides of these columns, so the element won't be in the edges of the column.
Then start adding a headline, text, and button element, do the same on the other columns.
You can then save this layout as a content template so you can use it on other parts of your pages.
Hope it helps,