Name Description Size
animation-container-size.html Container Queries - Animating container size 1142
animation-container-type-dynamic.html Container Queries - Animated container creating new containers 1826
animation-nested-animation.html Container Queries - Animations within animating container 1272
animation-nested-transition.html Container Queries - Animated container with inner transition 1255
aspect-ratio-feature-evaluation.html @container queries with aspect-ratio 1827
at-container-parsing.html @container: parsing 6137
at-container-serialization.html CSS Container Queries: @container serialization 3025
at-container-style-parsing.html @container: style queries parsing 1033
at-container-style-serialization.html CSS Container Queries: style() conditionText serialization 1603
auto-scrollbars.html CSS Container Queries Test: scrollbar stability for @container queries and overflow:auto 1810
backdrop-invalidation.html Test that ::backdrop responds to container size changes 1301
calc-evaluation.html CSS Container Queries Test: calc() 904
canvas-as-container-001.html CSS Container Queries Test: Canvas as size container for focusable child 762
canvas-as-container-002.html CSS Container Queries Test: Absolute positioned canvas as size container for focusable child 808
canvas-as-container-003.html CSS Container Queries Test: Canvas as size container for focusable child with display 848
canvas-as-container-004.html CSS Container Queries Test: Absolute positioned canvas as size container for focusable child with display 894
canvas-as-container-005.html CSS Container Queries Test: Canvas as dynamic size container for focusable child with display 1083
canvas-as-container-006.html CSS Container Queries Test: Absolute positioned canvas as dynamic size container for focusable child with display 1127
change-display-in-container-ref.html CSS Test Reference 98
change-display-in-container.html CSS Container Queries Test: Change display and box inside a container 765
chrome-legacy-skip-recalc.html CSS Container Queries Test: Chrome legacy layout skipping style recalc 637
column-spanner-in-container.html CSS Container Queries Test: Column-spanner depending on container in column 1244
conditional-container-status.html Conditionally removing container status 991
container-computed.html CSS Conditional Test: Computed values of container 1423
container-for-cue-ref.html CSS Test Reference 594
container-for-cue.html CSS Container Queries Test: Container for pseudo elements 827
container-for-shadow-dom.html CSS Container Queries Test: query container for Shadow DOM 12157
container-inheritance.html CSS Conditional Test: Inheritance of container-* 740
container-inner-at-rules.html @container: inner at-rules 4497
container-inside-multicol-with-table.html CSS Container Queries Test: container inside multicol with table 1077
container-longhand-animation-type.html Container Queries - The container longhands are not animatable 1333
container-name-computed.html CSS Conditional Test: Computed values of container-name 1031
container-name-invalidation.html container-name invalidation 1922
container-name-parsing.html CSS Conditional Test: Parsing of container-name 1873
container-name-tree-scoped.html CSS Container Queries Test: Tree scoped container-name 2929
container-nested.html @container (nested) 5525
container-parsing.html CSS Conditional Test: Parsing of container 3116
container-selection-unknown-features.html @container: selection using name and implicit selection 1299
container-selection.html @container: selection using name and implicit selection 4737
container-size-invalidation-after-load.html @container: invalidation of container size after load event 1030
container-size-invalidation.html @container-dependent elements respond to container size changes 1239
container-size-nested-invalidation.html Nested @container-dependent elements respond to outer container size changes 1835
container-size-shadow-invalidation.html CSS Container Queries Test: Invalidate size container query for Shadow DOM 1596
container-type-computed.html Computed values of container-type 756
container-type-containment.html CSS Container Queries Test: applied containment for container-type 2455
container-type-invalidation.html container-type invalidation 1861
container-type-layout-invalidation.html container-type layout invalidation 798
container-type-parsing.html CSS Conditional Test: Parsing of container-type 2087
container-units-animation.html Container Relative Units: Animation 2303
container-units-basic.html Container Relative Units: cqi, cqb, etc 1811
container-units-computational-independence.html Container Relative Units: Computationally independent 883
container-units-content-box.html Container Relative Units: evaluate against the content box 1836
container-units-gradient-invalidation.html Container Relative Units in gradients 1227
container-units-gradient-ref.html 646
container-units-gradient.html Container Relative Units in gradients 881
container-units-in-at-container-dynamic.html Container Relative Units: in @container prelude (dynamic) 1020
container-units-in-at-container-fallback.html Container Relative Units: container relative units fall back to small viewport 2088
container-units-in-at-container.html Container Relative Units: in @container prelude 3516
container-units-ineligible-container.html Container Relative Units: ineligible container 1571
container-units-invalidation.html Container Relative Units: Invalidation 3329
container-units-media-queries.html Container-relative units in @media 1691
container-units-rule-cache-ref.html 314
container-units-rule-cache.html 713
container-units-selection.html Container Relative Units: Advanced Container Selection 3463
container-units-shadow.html Container Relative Units: Shadow DOM 1499
container-units-sharing-via-rule-node-ref.html 400
container-units-sharing-via-rule-node.html 1250
container-units-small-viewport-fallback.html Container Relative Units: fall back to small viewport 2330
container-units-svglength.html CSS Container Queries Test: container-relative units in SVGLength 3201
container-units-typed-om.html Container Relative Units: CSS Typed OM 1674
counters-flex-circular.html CSS Container Queries Test: counters inside container should not affect container size via flex layout 2463
counters-in-container-dynamic.html CSS Container Queries Test: counter updates 636
counters-in-container.html CSS Container Queries Test: counters depending on container queries 583
counters-ref.html CSS Test Reference 110
crashtests
custom-layout-container-001.https.html CSS Container Queries Test: Size queries on CSS Layout API containers 1943
custom-property-style-queries.html CSS Container Queries Test: custom property style queries 16192
custom-property-style-query-change.html CSS Container Queries Test: custom property style query changes 2676
deep-nested-inline-size-containers.html CSS Container Queries Test: Deeply nested inline-size container queries 1311
dialog-backdrop-create.html CSS Container Queries Test: ::backdrop appearing conditionally on dialog container 749
dialog-backdrop-remove.html CSS Container Queries Test: ::backdrop disappearing conditionally on dialog container 727
display-contents-dynamic-style-queries.html CSS Container Queries Test: Invalidate style queries and display:contents 1020
display-contents.html @container and display:contents 2476
display-in-container-ref.html CSS Test Reference 976
display-in-container.html CSS Container Queries Test: @container queries affecting display type 1500
display-none.html @container in display:none 10384
fieldset-legend-change-ref.html CSS Test Reference 164
fieldset-legend-change.html CSS Container Queries Test: inline-size query changes rendered legend in fieldset 662
flex-basis-with-container-type.html 412
font-relative-calc-dynamic.html CSS Container Queries Test: font-relative calc - dynamic 1046
font-relative-units-dynamic.html CSS Container Queries Test: font-relative units - dynamic 9002
font-relative-units.html CSS Container Queries Test: font-relative units 3592
fragmented-container-001.html CSS Container Queries Test: Query fragmented inline-size container 1346
get-animations.html getAnimations depending on container query 1029
grid-container.html CSS Container Queries Test: Grid container 875
grid-item-container.html CSS Container Queries Test: Grid item container 1127
idlharness.html CSS Container Queries: CSSContainer Rule IDL tests 885
iframe-in-container-invalidation.html @container-dependent elements respond to size changes of an @container-dependent iframe 1670
iframe-invalidation.html @container-dependent elements respond to iframe size changes 1197
ineligible-containment.html Containers ineligible for containment 1473
inheritance-from-container.html Containers and inheritance 1261
inline-size-and-min-width.html CSS Container Queries Test: query of inline-size container is affected by min-width property 834
inline-size-bfc-floats-ref.html CSS Test Reference 449
inline-size-bfc-floats.html CSS Container Queries Test: inline-size constrained by floats - layout moving forwards 1778
inline-size-containment-vertical-rl.html CSS Container Queries Test: query of inline-size container in vertical-rl 1152
inline-size-containment.html CSS Container Queries Test: query of inline-size container is affected by min-width property 1129
inner-first-line-non-matching-ref.html CSS Test Reference 108
inner-first-line-non-matching.html CSS Container Queries Test: Non-matching ::first-line in @container 456
layout-dependent-focus.html CSS Container Queries: Input losing focus as a result of a size query 1139
multicol-container-001.html CSS Container Queries Test: Query multicol container 1061
multicol-inside-container.html CSS Container Queries Test: Multicol inside size container 723
multiple-size-containers-comma-separated-queries.html @container: multiple size containers - comma separated queries 1000
multiple-style-containers-comma-separated-queries.html @container: multiple style containers - comma separated queries 1536
nested-query-containers.html Nested query containers affecting each other 3410
nested-size-style-container-invalidation.html Nested size/style @container-dependent elements respond to container size changes 1118
never-match-container.html CSS Container Queries Test: @container querying size of elements without layout containment 1296
no-layout-containment-abspos-dynamic.html Position absolute elements should propagate from a container-type subtree. 753
no-layout-containment-abspos.html Position absolute elements should propagate from a container-type subtree. 564
no-layout-containment-baseline-ref.html 119
no-layout-containment-baseline.html Baseline alignment should work from a container-type subtree. 389
no-layout-containment-fixedpos-dynamic.html Position fixed elements should propagate from a container-type subtree. 744
no-layout-containment-fixedpos.html Position fixed elements should propagate from a container-type subtree. 555
no-layout-containment-scroll.html Scrollable overflow should propagate from a container-type subtree. 598
no-layout-containment-subgrid-crash.html A subgrid with a size based container query should establish an independent formatting context. 347
orthogonal-wm-container-query.html CSS Container Queries Test: Orthogonal writing-mode change in @container 1079
percentage-padding-orthogonal.html CSS Container Queries Test: @container queries affecting height affecting percentage padding 2081
pseudo-elements-001.html CSS Container Queries Test: Container for elements with pseudo elements 1965
pseudo-elements-002-ref.html CSS Test Reference 114
pseudo-elements-002.html CSS Container Queries Test: Container for ::before/::after pseudo elements 1189
pseudo-elements-002b-ref.html CSS Test Reference 630
pseudo-elements-002b.html CSS Container Queries Test: Container for ::first-letter/::first-line pseudo elements 2500
pseudo-elements-003.html @container: originating element container for pseudo elements 2911
pseudo-elements-004.html @container: originating element container for pseudo elements 1504
pseudo-elements-005.html CSS Container Queries Test: Style container for pseudo elements 1507
pseudo-elements-006.html @container: originating element container for pseudo elements 2872
pseudo-elements-007.html @container: originating element container for pseudo elements 1462
pseudo-elements-008.html @container: originating element container for pseudo elements 2954
pseudo-elements-009-ref.html CSS Test Reference 138
pseudo-elements-009.html CSS Container Queries Test: Container for highlight pseudo elements 845
pseudo-elements-010-ref.html CSS Test Reference 94
pseudo-elements-010.html CSS Container Queries Test: Container for highlight pseudo elements 1060
pseudo-elements-011.html CSS Container Queries Test: ::highlight pseudo element on size container 739
pseudo-elements-012.html CSS Container Queries Test: ::highlight pseudo size container change 955
pseudo-elements-013.html @container: originating element container for highlight pseudo elements 1540
query-container-name.html @container: query container name, no query part 1178
query-content-box.html CSS Container Queries Test: Size queries match content-box 3397
query-evaluation-style.html Evaluation of style queries 3481
query-evaluation.html Evaluation of queries 3316
reattach-container-with-dirty-child.html CSS Container Queries Test: @container changing display type while descendant styles change 1207
registered-color-style-queries.html CSS Container Queries Test: registered color syntax style queries 1232
resize-while-content-visibility-hidden-ref.html CSS Test Reference 112
resize-while-content-visibility-hidden.html CSS Container Queries Test: condition change while content-visibility: hidden 1428
scroll-state
scrollbar-container-units-block-ref.html 434
scrollbar-container-units-block.html 578
scrollbar-container-units-inline-ref.html 656
scrollbar-container-units-inline.html 802
sibling-layout-dependency.html @container-dependent styles respond to layout changes 3516
size-container-no-principal-box.html CSS Container Queries Test: size container types apply to elements without a principal box 2179
size-container-with-quotes-ref.html CSS Test Reference 105
size-container-with-quotes.html CSS Container Queries Test: <q> element as a size container must generate quotes 377
size-container-writing-mode-change.html CSS Container Queries Test: size container writing-mode change 1047
size-feature-evaluation.html Evaluation of size features 3227
size-query-with-var.html @container: size query with var() 2664
style-change-in-container.html CSS Container Queries Test: recompute style inside a @container 1024
style-container-for-shadow-dom.html CSS Container Queries Test: style query container for Shadow DOM 7199
style-container-invalidation-inheritance.html CSS Container Query Test: named style container query change with inherited custom property 1527
style-not-sharing-float.html CSS Container Queries Test: Check style is not sharing between cousins in the case of Container Queries 1236
style-query-document-element.html CSS Container Queries Test: style query against document element 612
style-query-guaranteed-invalid.tentative.html CSS Container Queries Test: style() query with guaranteed-invalid value 842
style-query-no-cycle.html CSS Container Queries Test: 700
style-query-registered-custom-invalid.tentative.html CSS Container Queries Test: style() query with IACVT value for registered custom property 978
style-query-unset-on-root.html CSS Container Queries Test: query unset style for custom property on :root should always match 735
style-query-with-unknown-width.html CSS Container Queries Test: style and size query against container without a principal box 921
support
svg-foreignobject-child-container.html CSS Container Queries Test: size query container inside foreignObject 961
svg-foreignobject-no-size-container-ref.html CSS Test Reference 195
svg-foreignobject-no-size-container.html CSS Container Queries Test: SVG <foreignObject> element not a size query container 658
svg-g-no-size-container-ref.html CSS Test Reference 156
svg-g-no-size-container.html CSS Container Queries Test: SVG <g> element not a size query container 607
svg-root-size-container.html CSS Container Queries Test: SVG root as a size query container 995
table-inside-container-changing-display-ref.html CSS Test Reference 122
table-inside-container-changing-display.html CSS Container Queries Test: table inside @container changing display type 823
top-layer-dialog-backdrop-ref.html CSS Test Reference 82
top-layer-dialog-backdrop.html CSS Container Queries Test: ::backdrop depending on @container 599
top-layer-dialog-container.html CSS Container Queries Test: Top layer element as a @container 996
top-layer-dialog.html CSS Container Queries Test: @container with modal dialog child 1368
top-layer-nested-dialog.html CSS Container Queries Test: Nested top layer elements and @container 1535
transition-scrollbars.html Container Queries - Scrollbars do not cause transitions 1741
transition-style-change-event-002.html Container Queries - Style Change Event for transitions 1283
transition-style-change-event.html Container Queries - Style Change Event for transitions 1942
unsupported-axis.html Query against unsupported axis 5672
var-evaluation.html CSS Container Queries Test: var() in size query values 1009
viewport-units-dynamic.html CSS Container Queries Test: @container-dependent elements respond to viewport unit changes 1971
viewport-units.html CSS Container Queries Test: viewport units 1085
WEB_FEATURES.yml 50
whitespace-update-after-removal.html CSS Container Queries Test: whitespace changes in container which changes evaluation 806