Minimum Page comes from a frustration with CSS resets and bases. Ripping down the styling only to rebuild many of the same styles is unnecessary, especially for defaults common to all browsers.
Further information can be found at minimumpage.com.
A LESS version is in the process of being built, including a number of mixins for use once it is time to build your site. A base will continue to be available as a normal CSS file.
You can see the progress on the less-version branch.