coderef

Grid lanesLimited availability

The display: grid-lanes and display: inline-grid-lanes CSS declarations create a layout where items are tightly packed in parallel lanes. Items are placed one by one in the lane that has the most available space. Also known as masonry.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
✕Not supportedup to 155
Current: 155
Edge
✕Not supportedup to 154
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
1–26.3Not supported
26.4+Supportedsince Mar 24, 2026
Current: 27
MobileChrome Android
✕Not supportedup to 155
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
1–26.3Not supported
26.4+Supportedsince Mar 24, 2026
Current: 27

How to use

Not supported in Chrome, Edge, Firefox, Chrome Android, Firefox Android. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

CSS · check before using
@supports (display: grid-lanes) {
  /* styles that rely on display: grid-lanes */
}

/* or in JavaScript */
if (CSS.supports("display", "grid-lanes")) {
  // use it
}

Sub-features

Support for each part of the feature (5). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
display.grid-lanes✕✕✕26.4✕✕26.4
display.inline-grid-lanes✕✕✕26.4✕✕26.4
flow-tolerance✕✕✕26.4✕✕26.4
flow-tolerance.infinite✕✕✕26.4✕✕26.4
flow-tolerance.normal✕✕✕26.4✕✕26.4