Have fun thinking backwards while you learn about the design of the WordPress Twenty Twelve theme.
How NOT to design a default theme
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Carl Jacobi
Invert, always invert(man muss immer umkehren)
Don’t sketch and share ideas
Ignore the work done before you
Don’t make WordPress look like a CMS
Don’t use a grid
Use lots of color and texture
Disregard the theme customizer
Forget about mobile devices
Create a mobile theme
Don’t use percentagebased widths
Don’t use the rem (root em) unit
No CSS3 gradients
Don’t use web fonts
Choose a fancy font with a limited character set
Pre-processing is for wimps
Don’t get any help from the community
twentytwelvedemo.wordpress.com