Pretty good “dark background” site and it’s single page to boot. I like the subtle graphic in the top portion dark on dark, nice touch. There may be too many examples to be truly useful on the page, but let others judge that.
Mastering Grids in UI Design: The Backbone of Visual Harmony
A modern guide to UI design grids, learn how to build flexible 12-column and 4-column systems, master margins, gutters, and modules, and apply today’s responsive layout best practices.
Looks like you stole everything from monster template, none of the sites are even live. Be a little original