horizontal trim should be painted black keep all original geometry concrete slab below the 4 panel door is a solid piece of concrete and not a planter maintain all original geometry maintain the exact geometry of all concrete sidewalks concrete slabs and concrete steps add some landscaping plants around the footprint of the building and maintain all geometry add a more diverse background similar to what you would find in the backyard of a denver co home in the summertime everything that is green should be grass and landscaping