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Status

This page documents the implementation status of various HTML and CSS features in Blitz.

CSS PropertiesHTML ElementsEventsWPT TestsWPT History

This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.

wpt / css / CSS2 / floats

Score history
1 month3 months6 months1 year2 years4 yearsAll time
0%20%40%60%80%100%May 2025Jul 2025Sep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026css/CSS2/floats

Data from commit:
ab0e30b Give form controls a UA default font-family (#940) (2026-09-25)

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total67.21%(98/147)66.67%(154/215)71.63%
crashtests100.00%(18/18)100.00%(18/18)100.00%
TestSubtestsSubtest %Status
adjoining-floats-dynamic.html(1/1)100.00%PASS
block-in-inline-become-float.html(1/1)100.00%PASS
computed-float-position-absolute.html(1/1)100.00%PASS
float-after-block-with-collapsed-margin-inside-inline.html(1/1)100.00%PASS
float-in-inline-001.html(1/1)100.00%PASS
float-in-inline-002.html(1/1)100.00%PASS
float-in-inline-anonymous-block-with-overflow-hidden.html(1/1)100.00%PASS
float-in-nested-multicol-001.html(1/1)100.00%PASS
float-in-self-painting-inline.html(1/1)100.00%PASS
float-no-content-beside-001.html(0/1)0.00%FAIL
float-no-interpolation.html(53/66)80.30%FAIL
float-nowrap-1.html(0/1)0.00%FAIL
float-nowrap-2.html(1/1)100.00%PASS
float-nowrap-3-ref.html(1/1)100.00%PASS
float-nowrap-3.html(1/1)100.00%PASS
float-nowrap-4.html(1/1)100.00%PASS
float-nowrap-5.html(0/1)0.00%FAIL
float-nowrap-6.html(0/1)0.00%FAIL
float-nowrap-7.html(1/1)100.00%PASS
float-nowrap-8.html(1/1)100.00%PASS
float-nowrap-9.html(0/1)0.00%FAIL
float-nowrap-hyphen-rewind-1.html(1/1)100.00%PASS
float-paint-relayout.html(1/1)100.00%PASS
float-root.html(0/1)0.00%FAIL
float-table-align-left-quirk.html(1/1)100.00%PASS
float-under-flatten-under-preserve-3d.html(1/1)100.00%PASS
float-with-absolutely-positioned-child-with-static-inset.html(1/1)100.00%PASS
floated-table-wider-than-specified.html(0/1)0.00%FAIL
floats-in-table-caption-001.html(0/1)0.00%FAIL
floats-line-wrap-shifted-001.html(0/1)0.00%FAIL
floats-placement-001.html(1/1)100.00%PASS
floats-placement-002.html(1/1)100.00%PASS
floats-placement-003.html(1/1)100.00%PASS
floats-placement-004.html(0/1)0.00%FAIL
floats-placement-005.html(0/1)0.00%FAIL
floats-placement-006.html(1/1)100.00%PASS
floats-placement-007.html(1/1)100.00%PASS
floats-placement-008.html(1/1)100.00%PASS
floats-placement-vertical-001a.xht(1/1)100.00%PASS
floats-placement-vertical-001b.xht(1/1)100.00%PASS
floats-placement-vertical-001c.xht(1/1)100.00%PASS
floats-placement-vertical-003.xht(0/1)0.00%FAIL
floats-placement-vertical-004-ref.xht(1/1)100.00%PASS
floats-placement-vertical-004-ref2.xht(1/1)100.00%PASS
floats-placement-vertical-004.xht(0/1)0.00%FAIL
floats-rule3-outside-left-001.xht(1/1)100.00%PASS
floats-rule3-outside-left-002.xht(1/1)100.00%PASS
floats-rule3-outside-right-001.xht(1/1)100.00%PASS
floats-rule3-outside-right-002.xht(1/1)100.00%PASS
floats-rule7-outside-left-001.xht(1/1)100.00%PASS
floats-rule7-outside-right-001.xht(1/1)100.00%PASS
floats-saturated-position-crash.html(1/1)100.00%PASS
floats-wrap-bfc-001-left-overflow.xht(1/1)100.00%PASS
floats-wrap-bfc-001-left-table.xht(1/1)100.00%PASS
floats-wrap-bfc-001-right-overflow.xht(1/1)100.00%PASS
floats-wrap-bfc-001-right-table.xht(1/1)100.00%PASS
floats-wrap-bfc-002-left-overflow.xht(0/1)0.00%FAIL
floats-wrap-bfc-002-left-table.xht(0/1)0.00%FAIL
floats-wrap-bfc-002-right-overflow.xht(0/1)0.00%FAIL
floats-wrap-bfc-002-right-table.xht(0/1)0.00%FAIL
floats-wrap-bfc-003-left-overflow.xht(1/1)100.00%PASS
floats-wrap-bfc-003-left-table.xht(0/1)0.00%FAIL
floats-wrap-bfc-003-right-overflow.xht(1/1)100.00%PASS
floats-wrap-bfc-003-right-table.xht(0/1)0.00%FAIL
floats-wrap-bfc-004.xht(0/1)0.00%FAIL
floats-wrap-bfc-005.xht(1/1)100.00%PASS
floats-wrap-bfc-006.xht(0/1)0.00%FAIL
floats-wrap-bfc-007.xht(1/1)100.00%PASS
floats-wrap-bfc-008.html(1/1)100.00%PASS
floats-wrap-bfc-outside-001.xht(1/1)100.00%PASS
floats-wrap-bfc-with-margin-001.html(0/1)0.00%FAIL
floats-wrap-bfc-with-margin-001a.tentative.html(0/1)0.00%FAIL
floats-wrap-bfc-with-margin-002.tentative.html(0/1)0.00%FAIL
floats-wrap-bfc-with-margin-003.tentative.html(0/1)0.00%FAIL
floats-wrap-bfc-with-margin-004.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-005.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-006.tentative.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-007.tentative.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-008.tentative.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-009.tentative.html(1/1)100.00%PASS
floats-wrap-bfc-with-margin-010.html(0/1)0.00%FAIL
floats-wrap-top-below-bfc-001l.xht(0/1)0.00%FAIL
floats-wrap-top-below-bfc-001r.xht(0/1)0.00%FAIL
floats-wrap-top-below-bfc-002l.xht(0/1)0.00%FAIL
floats-wrap-top-below-bfc-002r.xht(0/1)0.00%FAIL
floats-wrap-top-below-bfc-003l.xht(0/1)0.00%FAIL
floats-wrap-top-below-bfc-003r.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-001l.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-001r.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-002l.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-002r.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-003l.xht(0/1)0.00%FAIL
floats-wrap-top-below-inline-003r.xht(0/1)0.00%FAIL
floats-zero-height-wrap-001.xht(0/1)0.00%FAIL
floats-zero-height-wrap-002.xht(0/1)0.00%FAIL
hit-test-floats-001.html(1/1)100.00%PASS
hit-test-floats-002.html(1/1)100.00%PASS
hit-test-floats-003.html(1/1)100.00%PASS
hit-test-floats-004.html(1/1)100.00%PASS
hit-test-floats-005.html(0/1)0.00%FAIL
inheritance.html(4/4)100.00%PASS
intrinsic-size-float-and-line.html(0/1)0.00%FAIL
line-pushed-by-floats-crash.html(1/1)100.00%PASS
list-item-taller-than-opportunity-001.html(1/1)100.00%PASS
negative-block-margin-pushing-float-out-of-block-formatting-context.html(1/1)100.00%PASS
negative-margin-float-positioning.html(1/1)100.00%PASS
new-fc-beside-adjoining-float-2.html(1/1)100.00%PASS
new-fc-beside-adjoining-float.html(1/1)100.00%PASS
new-fc-beside-float-with-margin-rtl.html(1/1)100.00%PASS
new-fc-beside-float-with-margin.html(1/1)100.00%PASS
new-fc-beside-float-with-min-width.html(1/1)100.00%PASS
new-fc-relayout.html(1/1)100.00%PASS
new-fc-separates-from-float-2.html(1/1)100.00%PASS
new-fc-separates-from-float-3.html(1/1)100.00%PASS
new-fc-separates-from-float-4.html(1/1)100.00%PASS
new-fc-separates-from-float.html(1/1)100.00%PASS
overflow-scroll-float-paint-order.html(1/1)100.00%PASS
overhanging-float-paint-order.html(0/1)0.00%FAIL
remove-block-between-inline-and-float.html(0/1)0.00%FAIL
remove-float-in-first-line.html(1/1)100.00%PASS
remove-float-then-abspos-in-inline.html(1/1)100.00%PASS
table-sizing-with-adjacent-floats.html(0/1)0.00%FAIL
zero-available-space-float-positioning.html(1/1)100.00%PASS
zero-space-between-floats-001.html(1/1)100.00%PASS
zero-space-between-floats-002.html(1/1)100.00%PASS
zero-space-between-floats-003.html(0/1)0.00%FAIL
zero-space-between-floats-004.html(1/1)100.00%PASS
zero-width-floats-positioning.tentative.html(0/1)0.00%FAIL
zero-width-floats.html(0/1)0.00%FAIL