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Minmax()

The CSS minmax() function defines a grid track size within specified minimum and maximum limits.

How 2 Manning books explain it

Math for Web Design

minmax() is a CSS Grid sizing function that defines a track size within a specified minimum and maximum range.

How it is used
Constrains CSS Grid tracks so responsive layouts preserve a minimum size while allowing controlled growth.
How deep it goes
Explains min/max bounds through fr calculations and container-width examples, while deferring broader track-sizing algorithm details.
Examples
Works through 3fr minmax(250px, 1fr) at 1200px and 800px, plus a four-column product-card grid.
What you can do after
Apply it via CSS Grid declarations to keep tracks readable while distributing available space responsively.

Read how Math for Web Design explains minmax() →

CSS in Depth, Second Edition

The CSS minmax() function defines a range containing a minimum and maximum size for a grid track.

How it is used
Constrains responsive CSS Grid tracks so columns adapt to available space without dropping below a usable width.
How deep it goes
Explains minimum and maximum arguments, conflict resolution, and responsive behavior through an applied grid example.
Examples
Uses a responsive photograph portfolio with repeat(auto-fill, minmax(200px, 1fr)) and automatically placed items.
What you can do after
Apply it via CSS Grid to build columns that remain usable while expanding or contracting with the viewport.

Read how CSS in Depth, Second Edition explains minmax() →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.