See the demo site

displays 1 to 6 child blocks on the same line

syntax 1 : {up cell=x1-x2}content with 2 child blocks{/up cell} syntax 2 : {up cell=x1-x2} cell-1 content {======} cell-2 content{/up cell} x1-x2 are the widths based on a grid of 12 columns example : cell=6-6 for 2 equal columns. The widths of the UP-width class are used

style of child blocks (columns)

style and secondary options