Grid track
A grid track is the space between two adjacent grid lines, forming a row or column in a CSS Grid layout.
CSS in Depth, Second Edition
A grid track is the space between two adjacent grid lines in a CSS grid, forming a row or column.
- How it is used
- Defines the rows and columns that structure a grid and support placement of page regions or repeated items.
- How deep it goes
- Explains track boundaries, explicit and implicit sizing, spanning, automatic placement, and alignment through CSS layouts.
- Examples
- Uses a two-column page with a spanning main region and a photography portfolio with implicit rows and featured images.
- What you can do after
- Build it from scratch by declaring tracks, placing items across them, and allowing implicit rows when item counts vary.
Math for Web Design
A grid track is a single row or column in a CSS Grid layout whose size is determined by track-sizing rules.
- How it is used
- Controls how CSS Grid divides container space into rows and columns for responsive layouts.
- How deep it goes
- Explains proportional, intrinsic, bounded, and algorithmic sizing, while deferring further details of the sizing algorithm.
- Examples
- Uses proportional columns, a constrained product-card grid, span placement, and an auto sidebar with width limits.
- What you can do after
- Apply it via CSS Grid sizing values to predict and constrain responsive row and column dimensions.
Related concepts
- repeat()produced by · The CSS repeat() function specifies a repeated sequence of grid track sizes or patterns, using a fixed or automatically determined repetition count.
- CSS Gridused by · CSS Grid is a CSS layout system for arranging elements in two-dimensional rows and columns.
- minmax()used by · The CSS minmax() function defines a grid track size within specified minimum and maximum limits.
- autoconfigured by · auto is a CSS keyword whose value is determined by the relevant property’s rules, layout algorithm, available space, and content.
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