This example shows the length of each of the columns. In this example, each of the columns have been given a class of clear, to ensure they are displayed below each other.
one-col 60px
two-col 140px
three-col 220px
four-col 300px
five-col 380px
six-col 460px
seven-col 540px
eight-col 620px
nine-col 700px
ten-col 780px
eleven-col 860px
twelve-col 940px