Concise is built so that you have a lot of options handed to you out of the box. It comes built from the ground-up to be mobile friendly and includes a simple grid system, beautiful typography, and a few other bells and whistles. However, it is also built super lean, with a little over 2,000 thousand lines of CSS, and a few hundred lines of JavaScript. Concise is specifically built to be customized, tinkered with, and hacked.
