Layout / The visual dictionary
Container.
A bounded region that groups content and controls its available width.
Also calledwrappercontent container
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UI illustrationSee it in context
max-width
Aligned content
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What it is
A bounded region that groups content and controls its available width. Set sensible width and internal spacing, and let the container resize with its parent.
When to use it
Use it to establish consistent content edges across sections.
Know the difference
A container groups children; a card adds a visible surface representing a distinct item.
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Across platforms
WebiOSiPadOSAndroidmacOSWindowsLinuxwatchOSWear OStvOSAndroid TVvisionOS
Web · iOS · iPadOS · Android · macOS · Windows · Linux · watchOS · Wear OS · tvOS · Android TV · visionOS
Web max-width containers and native layout guides serve similar purposes but use different measurement systems.
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Go to the source
Primary documentation for the pattern and its platform conventions.