Does ReflowPDF support the CSS property overscroll-behavior-block?

Q: Does ReflowPDF support the CSS property overscroll-behavior-block?

nothing a still page can show: By its definition this property acts on something a rendered page does not have — time, scrolling, the pointer, the output medium. We say so by hand, and say that it is said by hand: the search still tried its candidates, and had Chrome reacted to any of them the measurement would have won over this note. Measured against Chrome on 0 examples; the renders and the difference maps are published at https://reflowpdf.com/conformance/css/overscroll-behavior-block.

Dataset 20261011-0550-f160c57 · measured 2026-10-11 05:50 UTC

overscroll-behavior-block

·nothing a still page can showcss-overscroll-1

By its definition this property acts on something a rendered page does not have — time, scrolling, the pointer, the output medium. We say so by hand, and say that it is said by hand: the search still tried its candidates, and had Chrome reacted to any of them the measurement would have won over this note.

declared · scrolling overscroll-behavior-block governs scrolling, and a rendered page has none. The search still tried 16 candidate values; Chrome’s largest reaction was 0 pixels, under the 40-pixel floor.

What the specification says

Initial value: auto
Applies to: scroll container elements
Inherited: no
Percentages: N/A
Computed value: as specified
Syntax: contain | none | auto | chain

css-overscroll-1 definition

Which values were measured

“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 4 branches; 0 of them carry a measurement. The publishing ceiling is 12 examples per property — a branch past it is left out by our choice, not by accident.

Value	Measured
contain	not measured
chain	not measured
none	not measured
auto	not measured

Measured against Chrome 148.0.7778.96 on 2026-10-11, with up to 40 candidate values tried per property. All properties · How the measurement works

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