Does ReflowPDF support the CSS property text-shadow?

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 2 examples; the renders and the difference maps are published at https://reflowpdf.com/conformance/css/text-shadow.

Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC

text-shadow

✕renders differentlycss-text-decor-4

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

What the specification says

Initial value: none
Applies to: text
Inherited: yes
Percentages: n/a
Computed value: either the keyword none or a list, each item consisting of four absolute lengths plus a computed color and optionally also an inset keyword
Syntax: none | <shadow>#

css-text-decor-4 definition

The measurements

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

text-shadow:10px 10px 12px #e07a1f✕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.

29,837 pixels differ from Chrome, the largest by 105 of 255 on one channel.

Differing pixels: 29,837
Max channel delta: 105

the example page

text-shadow:14px 14px 0 #e07a1f✕renders differently

7,448 pixels differ from Chrome, the largest by 45 of 255 on one channel.

Differing pixels: 7,448
Max channel delta: 45

the example page

Which values were measured

“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 3 branches; 2 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
14px 14px 0 #e07a1f	✕renders differently
10px 10px 12px #e07a1f	✕renders differently
none	not measured

Tests in the suite that name this property

Secondary evidence: 26 Web Platform Tests carry a spec anchor pointing at this property. Only 1,254 tests in the whole corpus carry such an anchor, so an empty list here means nothing at all.

+ 14 more

Measured against Chrome 148.0.7778.96 on 2026-08-27, with up to 40 candidate values tried per property. All properties · How the measurement works

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