The layouts for the mainbody area is slightly different from the other module layouts. The primary difference is that the mainbody is generally displayed along with up to 3 sidebars. This provides the ability for Myriad template to effectively support a four-column layout.
Configure at Admin → Extensions → Template Manager → rt_myriad, then go to Layouts tab and set the varying Mainbody/Sidebar layout possibilities.
Note: If no modules are assigned to the Sidebar positions, the Mainbody will become full width.
Sidebar
A
Mainbody
Sidebar
B
C
Sidebar
A
B
Mainbody
Sidebar
C
Sidebar
A
B
C
Mainbody
Mainbody
Sidebar
A
Mainbody
Sidebar
A
B
Mainbody
Sidebar
A
B
C
Sidebar
A
Mainbody
Sidebar
A
B
Mainbody
Advanced: Adding Positions
Check out this quick screencast on Module Positions to get an overview of how module positions work within Gantry Framework. Click below button to learn how to add a new row of module positions.