Style-- the chair looks like it is scalloped out. The base of the chair was not what I was expecting, it criss crosses in the middle. Lastly, the foot of the chair reminds me of a sea shell as it twists around.
Easy Metallic Bar Stool Hack - The Dalfred bar stools come in all black, but with a little spray paint you can give yours the same metallic treatment as the ones pictured above. You could also try sil (Diy Furniture Ikea)