If you dont know how to take a picture of what you're viewing online and save it then heres an easy how to for it.
Press and hold the Alt key, and then press the PrtScn button on the top. On a Mac
Press and hold Command Control Shift and 3
how to save it as an image..
You can open up any photo editing program, usually i use Paint, and once its open, press and hold Control and press V. That pastes it into the paint program. You can then save it onto your computer for future use.