Grid Skeleton is our base semi-responsive grid. It goes into effect at 45EM (720px, or tablet).

One
Eleven Columns
Two Columns
Ten Columns
Three Columns
Nine Columns
Four Columns
Eight Columns
Five Columns
Seven Columns
Six Columns
Six Columns
Half column
Half column
Two-thirds column
One-fifth column
Four-fifth column
two-fifth column
three-fifth column