place the black wrought iron railing along the outer edge of the stairs following the natural slope and flow of the stair line the railing must run continuously along the stair edge and not be positioned in the middle of the stair treads all posts should sit at the edge of the masonry stair structure aligned with the retaining wall use a clean modern wrought iron style with vertical balusters and a matte black finish maintain realistic lighting perspective and scale do not change the stairs or landscaping starting from the deck corner match the deck railing to the rod iron there should be 3 sections connected top of the stairs to the landing across the landing from landing to the bottom of the stairs