Columns are used in Row Layout Content to build a grid layout. In default there is only one column in each content and its width is set to fill whole width of its parent.
Design
Align
Adjusts the alignment of the column with respect to its parent.
Width
A row content is assumed to have a maximum width of 12 columns in total. Conforming to this, a column may have a width of 1 to 12 columns. If "inherit from smaller" option is selected, it inherits the width from the configuration for the smaller device, which is specified at responsive layout section.
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