Template:RFP stack/start/doc

This template starts a responsive flex passage stack, an element designed to form a column of blocks (RFP block/start) within a row. Shelves (RFP shelf/start) are a similar element, but shelves form rows of two in the wide view.

Usage
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Parameters

 * : The ID for the  that contains the entire stack.
 * : CSS classes in addition to the  class automatically included for the   that contains the entire stack. Useful classes include:
 * The sizing classes, which should not be used on stacks inside shelves. For other stacks, unless the block should be full width in all views, one of these sizing classes should be used:
 * : specifies full width in both narrow and medium views and two-thirds width in wide view.
 * : specifies full width in both narrow and medium views and half width in wide view.
 * : specifies full width in both narrow and medium views and one-third width in wide view.
 * : specifies full width in narrow view, half width in medium view, and two-thirds width in wide view.
 * : specifies full width in narrow view and half width in both medium and wide views.
 * : specifies full width in narrow view, half width in medium view, and one-third width in wide view.
 * Special case sizing classes include:
 * : when on a stack inside a shelf, that stack remains the full width of the shelf even in the wide view. Otherwise, it'd default to becoming half the shelf's width in wide view. It's important to use this only on elements that would be on the left side in wide view; otherwise, the element will fall to the next row and leave a gap.
 * : Inline CSS styles for the  that contains the entire stack.
 * The contained elements should be included before.