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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 / css-lists

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/css-lists

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

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total44.96%(95/224)42.41%(796/1159)68.68%
parsing88.67%(16/23)69.57%(227/254)89.37%
animations55.90%(0/1)0.00%(131/234)55.98%
content-property8.33%(1/12)8.33%(1/12)8.33%
crashtests100.00%(7/7)100.00%(7/7)100.00%
TestSubtestsSubtest %Status
add-inline-child-after-marker-001.html(1/1)100.00%PASS
add-inline-child-after-marker-002.html(1/1)100.00%PASS
before-after-selectors-on-code-element-crash.html(1/1)100.00%PASS
change-list-descendant-display.html(1/1)100.00%PASS
change-list-style-position-001.html(1/1)100.00%PASS
change-list-style-position-002.html(1/1)100.00%PASS
change-list-style-position-003.html(1/1)100.00%PASS
change-list-style-type-001.html(1/1)100.00%PASS
change-list-style-type-002.html(1/1)100.00%PASS
container-list-items-crash.html(1/1)100.00%PASS
counter-001.html(0/1)0.00%FAIL
counter-002.html(0/1)0.00%FAIL
counter-003.html(0/1)0.00%FAIL
counter-004.html(0/1)0.00%FAIL
counter-important.html(1/1)100.00%PASS
counter-increment-inside-display-contents.html(0/1)0.00%FAIL
counter-invalid.htm(1/1)100.00%PASS
counter-list-item-2.html(0/1)0.00%FAIL
counter-list-item-3.html(0/1)0.00%FAIL
counter-list-item-slot-order.html(0/1)0.00%FAIL
counter-list-item.html(0/1)0.00%FAIL
counter-order-display-contents.html(1/1)100.00%PASS
counter-reset-increment-overflow-underflow.html(0/1)0.00%FAIL
counter-reset-increment-set-display-contents.html(0/1)0.00%FAIL
counter-reset-increment-set-display-none.html(0/1)0.00%FAIL
counter-reset-inside-display-contents.html(0/1)0.00%FAIL
counter-reset-reversed-display-none.html(0/1)0.00%FAIL
counter-reset-reversed-list-item-start.html(0/1)0.00%FAIL
counter-reset-reversed-list-item.html(0/1)0.00%FAIL
counter-reset-reversed-multiple.html(0/1)0.00%FAIL
counter-reset-reversed-nested.html(0/1)0.00%FAIL
counter-reset-reversed-not-list-item-start.html(0/1)0.00%FAIL
counter-reset-reversed-not-list-item.html(0/1)0.00%FAIL
counter-reset-reversed-pseudo-001.html(0/1)0.00%FAIL
counter-reset-reversed-pseudo-002.html(0/1)0.00%FAIL
counter-reset-reversed-pseudo-003.html(0/1)0.00%FAIL
counter-reset-reversed-siblings-001a.html(0/1)0.00%FAIL
counter-reset-reversed-siblings-001b.html(0/1)0.00%FAIL
counter-reset-reversed-siblings-002.html(0/1)0.00%FAIL
counter-reset-reversed-siblings-003.html(0/1)0.00%FAIL
counter-reset-reversed-with-regular.html(0/1)0.00%FAIL
counter-set-001.html(0/1)0.00%FAIL
counter-set-002.html(0/1)0.00%FAIL
counter-slot-order-scoping.html(0/1)0.00%FAIL
counter-slot-order.html(0/1)0.00%FAIL
counters-001.html(0/1)0.00%FAIL
counters-002.html(0/1)0.00%FAIL
counters-003.html(0/1)0.00%FAIL
counters-004.html(0/1)0.00%FAIL
counters-005.html(0/1)0.00%FAIL
counters-006.html(0/1)0.00%FAIL
counters-container-crash.html(1/1)100.00%PASS
counters-scope-001.html(0/1)0.00%FAIL
counters-scope-002.html(0/1)0.00%FAIL
counters-scope-003.html(0/1)0.00%FAIL
counters-scope-004.html(0/1)0.00%FAIL
css-lists-no-interpolation.html(350/462)75.76%FAIL
deep-pseudo-element-remove-update.html(0/1)0.00%FAIL
details-open.html(0/1)0.00%FAIL
foo-counter-reversed-006a.html(0/1)0.00%FAIL
foo-counter-reversed-006b.html(0/1)0.00%FAIL
foo-counter-reversed-006c.html(0/1)0.00%FAIL
foo-counter-reversed-006d.html(0/1)0.00%FAIL
foo-counter-reversed-006e.html(0/1)0.00%FAIL
foo-counter-reversed-007a.html(0/1)0.00%FAIL
foo-counter-reversed-007b.html(0/1)0.00%FAIL
foo-counter-reversed-008a.html(0/1)0.00%FAIL
foo-counter-reversed-008b.html(0/1)0.00%FAIL
foo-counter-reversed-009a.html(0/1)0.00%FAIL
foo-counter-reversed-009b.html(0/1)0.00%FAIL
implicit-and-explicit-list-item-counters.html(0/1)0.00%FAIL
inherit-overwrites.html(0/2)0.00%FAIL
inheritance.html(10/10)100.00%PASS
inline-block-list-marker.html(0/1)0.00%FAIL
inline-block-list.html(0/1)0.00%FAIL
inline-list-marker.html(0/1)0.00%FAIL
inline-list-with-table-child.html(0/1)0.00%FAIL
inline-list.html(0/1)0.00%FAIL
li-counter-increment-computed-style.html(1/1)100.00%PASS
li-insert-child.html(1/1)100.00%PASS
li-list-item-counter-001.html(1/1)100.00%PASS
li-list-item-counter-002.html(0/1)0.00%FAIL
li-list-item-counter-003.html(0/1)0.00%FAIL
li-list-item-counter-004.html(0/1)0.00%FAIL
li-list-item-counter-005.html(0/1)0.00%FAIL
li-value-counter-reset-001.html(1/1)100.00%PASS
li-value-counter-reset-002.html(1/1)100.00%PASS
li-value-reversed-001.html(1/1)100.00%PASS
li-value-reversed-002.html(1/1)100.00%PASS
li-value-reversed-003.html(1/1)100.00%PASS
li-value-reversed-004.html(1/1)100.00%PASS
li-value-reversed-005.html(1/1)100.00%PASS
li-value-reversed-006a.html(0/1)0.00%FAIL
li-value-reversed-006b.html(0/1)0.00%FAIL
li-value-reversed-006c.html(0/1)0.00%FAIL
li-value-reversed-006d.html(0/1)0.00%FAIL
li-value-reversed-006e.html(0/1)0.00%FAIL
li-value-reversed-007a.html(0/1)0.00%FAIL
li-value-reversed-007b.html(0/1)0.00%FAIL
li-value-reversed-008a.html(0/1)0.00%FAIL
li-value-reversed-008b.html(0/1)0.00%FAIL
li-value-reversed-009a.html(0/1)0.00%FAIL
li-value-reversed-009b.html(0/1)0.00%FAIL
li-value-reversed-010.html(1/1)100.00%PASS
li-value-reversed-011.html(0/1)0.00%FAIL
li-value-reversed-012.html(1/1)100.00%PASS
li-value-reversed-013.html(1/1)100.00%PASS
li-value-reversed-014.html(1/1)100.00%PASS
li-value-reversed-015.html(1/1)100.00%PASS
li-value-reversed-016.html(0/1)0.00%FAIL
li-value-reversed-017.html(0/1)0.00%FAIL
li-value-reversed-018.html(0/1)0.00%FAIL
li-value-reversed-019.html(0/1)0.00%FAIL
li-value-reversed-020.html(1/1)100.00%PASS
li-value-reversed-021.html(0/1)0.00%FAIL
li-value-reversed-022.html(1/1)100.00%PASS
li-value-reversed-023.html(1/1)100.00%PASS
li-value-reversed-024.html(1/1)100.00%PASS
li-value-reversed-025.html(1/1)100.00%PASS
li-value-reversed-026.html(0/1)0.00%FAIL
li-value-reversed-027.html(0/1)0.00%FAIL
li-value-reversed-028.html(0/1)0.00%FAIL
li-value-reversed-029.html(0/1)0.00%FAIL
li-value-reversed-030.html(0/1)0.00%FAIL
li-with-height-001.html(1/1)100.00%PASS
li-with-overflow-hidden-change-list-style-position-001.html(1/1)100.00%PASS
li-without-ul-counter-crash.html(1/1)100.00%PASS
list-and-block-in-inline.html(1/1)100.00%PASS
list-and-block-textarea-001.html(1/1)100.00%PASS
list-and-flex-001.html(1/1)100.00%PASS
list-and-grid-001.html(0/1)0.00%FAIL
list-and-margin-collapse-001.html(1/1)100.00%PASS
list-and-margin-collapse-002.html(0/1)0.00%FAIL
list-and-writing-mode-001.html(1/1)100.00%PASS
list-inside-contain.html(1/1)100.00%PASS
list-item-counter-crash.html(1/1)100.00%PASS
list-item-definition.html(0/1)0.00%FAIL
list-item-dynamic-padding.html(1/1)100.00%PASS
list-marker-alignment.html(1/1)100.00%PASS
list-marker-containing-control-char-crash.html(1/1)100.00%PASS
list-marker-counter-style-fallback-rtl.html(1/1)100.00%PASS
list-marker-counter-style-mutation.html(1/1)100.00%PASS
list-marker-position-crash.html(1/1)100.00%PASS
list-marker-rtl-string-width.html(1/1)100.00%PASS
list-marker-symbol-bidi.html(0/1)0.00%FAIL
list-marker-with-lineheight-and-overflow-hidden-001.html(1/1)100.00%PASS
list-style-image-gradients-dynamic.html(1/1)100.00%PASS
list-style-image-gradients.html(1/1)100.00%PASS
list-style-image-zoom-dynamic.html(1/1)100.00%PASS
list-style-position-001.html(1/1)100.00%PASS
list-style-type-decimal-line-height.html(0/1)0.00%FAIL
list-style-type-decimal-vertical-lr.html(0/1)0.00%FAIL
list-style-type-decimal-vertical-rl.html(0/1)0.00%FAIL
list-style-type-string-001a.html(1/1)100.00%PASS
list-style-type-string-001b.html(1/1)100.00%PASS
list-style-type-string-002.html(0/1)0.00%FAIL
list-style-type-string-003.html(0/1)0.00%FAIL
list-style-type-string-004.html(1/1)100.00%PASS
list-style-type-string-005a.html(0/1)0.00%FAIL
list-style-type-string-005b.html(0/1)0.00%FAIL
list-style-type-string-006.html(1/1)100.00%PASS
list-style-type-string-007.html(0/1)0.00%FAIL
list-style-type-transition-tree-scope-custom-ident.html(0/1)0.00%FAIL
list-style-type-transition-tree-scope-keyword.html(0/1)0.00%FAIL
list-type-none-style-image.html(0/1)0.00%FAIL
list-with-image-display-changed-001.html(1/1)100.00%PASS
marker-content-incremental-layout-crash.html(1/1)100.00%PASS
marker-counter.html(0/1)0.00%FAIL
marker-dynamic-content-change.html(1/1)100.00%PASS
marker-quotes.html(1/1)100.00%PASS
marker-webkit-text-fill-color.html(0/1)0.00%FAIL
nested-list-with-list-style-type-none.html(1/1)100.00%PASS
nested-marker-dynamic.html(0/1)0.00%FAIL
nested-marker-styling.html(0/1)0.00%FAIL
nested-marker.html(0/1)0.00%FAIL
ol-change-display-type.html(1/1)100.00%PASS
outside-marker-covered-by-relpos-block-link.html(1/1)100.00%PASS
outside-marker-in-multicol-relpos-content.html(1/1)100.00%PASS
outside-marker-with-relpos-block-content.html(1/1)100.00%PASS
pseudo-element-remove-update.html(0/1)0.00%FAIL
style-containment-counter-crash.html(1/1)100.00%PASS