Fixes bad formatting.
Fixes lack of width being declared for border styles.
Adds some documentation for how to read the class names.
Adds another step to the sizing scale. Scale goes from 0-16rem in powers
of 2.

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    //.    `"':" ;; ":`"'     /\
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         ////=-v-'`-v-=\\\\
         ///`Nx_\;;/_xN'\\\
        / /   `"w==w"'   \ \
         /                \