Does ReflowPDF support the CSS property -webkit-box-orient?

renders differently: The property takes effect, but our pixels are not Chrome's. The difference map on this page shows where. Measured against Chrome on 1 example; the renders and the difference maps are published at https://reflowpdf.com/conformance/css/-webkit-box-orient.

Dataset 20261007-0543-b9a5f43 · measured 2026-10-07 05:43 UTC

-webkit-box-orient

✕renders differentlycompat

The property takes effect, but our pixels are not Chrome's. The difference map on this page shows where.

What the specification says

compat definition

The measurements

One example. Each is one declaration on a small page, drawn by Chrome and by our engine. Drag the handle to wipe between them.

-webkit-box-orient:horizontal✕renders differently

Chrome of this test — Left of the line is our rendering; right of it is the chrome. Drag, or focus the slider and use the arrow keys.

Our render of this test — Left of the line is our rendering; right of it is the chrome. Drag, or focus the slider and use the arrow keys.

16,526 pixels differ from Chrome, the largest by 238 of 255 on one channel.

Differing pixels: 16,526
Max channel delta: 238

the example page

Measured against Chrome 148.0.7778.96 on 2026-10-07, with up to 40 candidate values tried per property. All properties · How the measurement works

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