One way to easily define the tone and mood of a website is to use a big background image. However, when doing this, you need to consider that big images often have a lot going on, so it’s important to take a minmal approach with other aspects of the design. Not doing so could result in a website that is far too busy, cluttered, and difficult to navigate. So for your inspiration, here are 20 examples of how to effectively use big background images in web design.