This is building off of Nicolas Gallagher’s “Pure CSS folded-corner effect” (http://tinyurl.com/37rl4fe). Easily works on any colored background.You can add the .post-it-note class to an element and it will work, regardless of the background color/image of the containing element. Change the background color of the body to try it out.Nice solution. Made something similar myself using background gradients a few weeks ago: http://codepen.io/carlcalderon/pen/IgCdD@carlcalderon Thanks man. Those css …