We have a basic element - Item.
It includes two parts, Image and Html text.
You can just display the image like left side, or display text like that.
Besides, you can add caption in the image with link or fontawesome icon:
You can also create an overlay element like that.
Try to see Yebo bike template.
However, you have to set the fixed height in most of situation.
You can insert the level 3 element into the group layout.
Video is responsive,also.
If you don't like Tab, why not try Collapse.