swift - How to create stack views with constraints to the parent view's margins in Interface Builder? -

i want have horizontal stack view, or other view, constrain width of view's margins.

i first add interface elements.

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when put them in stack, resize (what understand) intrinsic content sizes? okay.

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at point, items turn red if selected. when click "update frames" button in interface builder bigger , bigger. until extend right off screen. going on? why updating frames make them grow beyond confines of screen?

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okay... maybe can ctrl-drag between stack , view , pick constraints based on view's margins, right? maybe fix it...

let's constrain our stack resize way want.

weird thing is, doesn't matter if click , drag view stack or stack view... either way end constraints seem describe reverse of want.

not meant!

i want use view's margins define stack view's width, not other way around! also, added 67.5 reason.

thankfully there's place reverse these , remove 67.5, right? click on constraint , make changes...

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and i'm in pretty shape. think. mean looks terrible, @ least they're in stack... how set minimum value label?

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thanks commentary. humor , poking fun @ newbie welcome. images reduced 2 because don't have reputation.