I have recently added border in all of my tutorial posts to isolate the different steps involved. This gives me the advantage of creating a sub-post-like content. Not only it improves the readability of my blog, it actually adds a little bit to the cosmetic aspect too.You might want to add borders in your posts (emphasize on 'in', as opposed to 'around') for various reasons. You can style it however you want, by giving it different colors, sizes, and styles. Here's an example of what you will achieve at the end of this tutorial.