Today I worked on Photoshop CC 2015 One-on-One:Fundamentals. The lesson I worked on was Adjustment layer tips and tricks. I started by making layers darkened or lightened. You do that by going to image and clicking one of these 3 options. This is where you control what you want your want your brightness or contrast. You get there by going to image and clicking adjustments and clicking brightness/contrast. Here is one that I had changed the brightness and contrast. I have one more that I did the same thing to.Here is the adjustment of brightness and contrast table.This is what you do to make it really Dark.