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Web Platform Baseline Status Breakdown Total Features: 1191
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Categories: All CSS (101) HTML elements (98) Selectors (46) JavaScript (43) Forms (40)
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Showing 4 of 4 features

2021

1 features
• April 2021
Widely Available

The gap CSS property in a flexbox layout sets the size of the space between items.

Chrome 84
Firefox 63
Safari 14.1
Edge 84
Baseline Date: Apr 26, 2021

2015

1 features
• September 2015
Widely Available

Flexbox is a one-dimensional layout system, which places content either horizontally or vertically, with optional wrapping.

Chrome 29
Firefox 20
Safari 9
Edge 12
Baseline Date: Sep 30, 2015

Limited Availability

2 features
• In Progress / Not Yet Baseline

The column-rule and row-rule CSS properties display decorative lines between columns and rows of a flex, grid, or multi-column layout. The rule-break, rule-outset, and rule-paint-order properties control the appearance of these lines.

Chrome 149
Firefox
Safari
Edge 149
Status: Incomplete cross-engine support

The flex-wrap: balance CSS declaration distributes items in a multi-line flex container such that each line has about the same number of items.

Chrome 150
Firefox
Safari
Edge 150
Status: Incomplete cross-engine support