[{"data":1,"prerenderedAt":2152},["ShallowReactive",2],{"page-\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-fallbacks\u002Fintrinsic-layout-fallbacks-without-queries":3,"content-all-pages":1589,"live-demo:cq-intrinsic-baseline":2146},{"id":4,"title":5,"body":6,"description":1571,"extension":1572,"meta":1573,"navigation":464,"path":1585,"seo":1586,"stem":1587,"__hash__":1588},"content\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-fallbacks\u002Fintrinsic-layout-fallbacks-without-queries\u002Findex.md","Intrinsic Layout Fallbacks: Baselines That Adapt Without Any Query",{"type":7,"value":8,"toc":1559},"minimark",[9,13,33,38,50,81,184,188,254,270,274,277,281,1264,1273,1277,1292,1337,1340,1344,1350,1375,1383,1387,1394,1424,1435,1439,1446,1450,1476,1480,1499,1505,1511,1524,1528,1556],[10,11,5],"h1",{"id":12},"intrinsic-layout-fallbacks-baselines-that-adapt-without-any-query",[14,15,16,17,21,22,27,28,32],"p",{},"The usual fallback for container queries is a viewport media query: \"if the browser cannot measure the container, measure the window instead\". That is a reasonable approximation for components that always span the page and a poor one for components that appear in sidebars, cards, modals and grid cells, where the window says nothing about the space available. There is a better baseline for most components: an ",[18,19,20],"em",{},"intrinsic"," layout that adapts to its real available space using features every browser has supported for years. This page shows the four intrinsic building blocks, how to combine them into a component baseline, and how to layer container queries on top as an enhancement. It belongs to ",[23,24,26],"a",{"href":25},"\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-fallbacks\u002F","Container Query Fallbacks"," in the ",[23,29,31],{"href":30},"\u002Fmastering-container-queries-responsive-layouts\u002F","Mastering Container Queries & Responsive Layouts"," guide.",[34,35,37],"h2",{"id":36},"why-intrinsic-beats-viewport-as-a-fallback","Why intrinsic beats viewport as a fallback",[14,39,40,41,45,46,49],{},"A viewport fallback answers the wrong question. A card with ",[42,43,44],"code",{},"@media (min-width: 48rem) { … side-by-side … }"," switches to a side-by-side layout when the ",[18,47,48],{},"window"," is wide — including when the card sits in a narrow sidebar of that wide window, where side-by-side squeezes its text to a few words per line. The fallback is right only for the placements the designer happened to imagine.",[14,51,52,53,56,57,60,61,64,65,68,69,72,73,76,77,80],{},"Intrinsic techniques measure the right thing without asking. ",[42,54,55],{},"flex-wrap"," decides whether items fit on one line from the real width of their container. Grid's ",[42,58,59],{},"auto-fit"," with ",[42,62,63],{},"minmax()"," decides how many columns fit. ",[42,66,67],{},"min()",", ",[42,70,71],{},"max()"," and ",[42,74,75],{},"clamp()"," bound sizes against percentages of the real container. These decisions happen during layout, in every placement, in every browser from the last several years — so an intrinsic baseline is correct in the sidebar ",[18,78,79],{},"and"," the full-width band.",[82,83,89,90,89,94,89,98,89,106,89,113,89,125,89,134,89,139,89,145,89,149,89,153,89,157,89,161,89,164,89,168,89,173,89,176,89,178,89,182],"svg",{"viewBox":84,"role":85,"ariaLabel":86,"xmlns":87,"style":88},"0 0 720 320","img","The same card in a narrow sidebar and a wide band: a viewport fallback forces side-by-side in both; an intrinsic fallback stacks in the sidebar and goes side by side in the band","http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg","width:100%;height:auto;max-width:720px;margin:2rem 0","\n  ",[91,92,93],"title",{},"Viewport fallback versus intrinsic fallback in two placements",[95,96,97],"desc",{},"Top row, viewport fallback on a wide window: the sidebar card is forced into a cramped side-by-side layout while the band card is side by side. Bottom row, intrinsic fallback: the sidebar card wraps into a stack and the band card sits side by side.",[99,100,105],"text",{"textAnchor":101,"x":102,"y":103,"style":104},"middle","360","26","text-anchor:middle;fill:currentColor;font:700 17px sans-serif","Same wide window, two placements",[99,107,112],{"textAnchor":108,"x":109,"y":110,"style":111},"start","30","64","text-anchor:start;fill:currentColor;font:600 12px sans-serif","viewport",[114,115],"rect",{"x":116,"y":117,"width":118,"height":119,"rx":120,"fill":121,"stroke":122,"strokeWidth":123,"opacity":124},"120","46","130","100","8","none","currentColor","1.5","0.6",[114,126],{"x":127,"y":128,"width":129,"height":130,"rx":131,"fill":132,"opacity":133},"128","56","50","80","4","#7aa2ff","0.4",[114,135],{"x":136,"y":128,"width":137,"height":130,"rx":131,"fill":122,"opacity":138},"184","58","0.15",[99,140,144],{"textAnchor":101,"x":141,"y":142,"style":143},"185","164","text-anchor:middle;fill:currentColor;font:11px sans-serif","sidebar: cramped",[114,146],{"x":147,"y":117,"width":148,"height":119,"rx":120,"fill":121,"stroke":122,"strokeWidth":123,"opacity":124},"290","400",[114,150],{"x":151,"y":128,"width":152,"height":130,"rx":131,"fill":132,"opacity":133},"300","140",[114,154],{"x":155,"y":128,"width":156,"height":130,"rx":131,"fill":122,"opacity":138},"450","230",[99,158,160],{"textAnchor":101,"x":159,"y":142,"style":143},"490","band: fine",[99,162,20],{"textAnchor":108,"x":109,"y":163,"style":111},"206",[114,165],{"x":116,"y":166,"width":118,"height":167,"rx":120,"fill":121,"stroke":122,"strokeWidth":123,"opacity":124},"188","110",[114,169],{"x":127,"y":170,"width":171,"height":172,"rx":131,"fill":132,"opacity":133},"196","114","44",[114,174],{"x":127,"y":175,"width":171,"height":172,"rx":131,"fill":122,"opacity":138},"246",[114,177],{"x":147,"y":166,"width":148,"height":167,"rx":120,"fill":121,"stroke":122,"strokeWidth":123,"opacity":124},[114,179],{"x":151,"y":180,"width":152,"height":181,"rx":131,"fill":132,"opacity":133},"198","90",[114,183],{"x":155,"y":180,"width":156,"height":181,"rx":131,"fill":122,"opacity":138},[34,185,187],{"id":186},"the-four-intrinsic-building-blocks","The four intrinsic building blocks",[189,190,191,205,218,238],"ol",{},[192,193,194,204],"li",{},[195,196,197,199,200,203],"strong",{},[42,198,55],{}," with a ",[42,201,202],{},"flex-basis","."," Items share a row while their preferred sizes fit and wrap when they do not. Best for rows of unequal items and two-part components such as media objects.",[192,206,207,213,214,217],{},[195,208,209,210,203],{},"Grid ",[42,211,212],{},"repeat(auto-fit, minmax(min, 1fr))"," As many equal columns as fit, each at least ",[42,215,216],{},"min",". Best for collections of similar items.",[192,219,220,230,231,234,235,203],{},[195,221,222,224,225,224,227,229],{},[42,223,67],{}," \u002F ",[42,226,71],{},[42,228,75],{}," with percentages."," Sizes that track the container but stay within bounds, such as ",[42,232,233],{},"width: min(100%, 40rem)"," or ",[42,236,237],{},"padding: clamp(0.75rem, 4%, 2rem)",[192,239,240,243,244,68,247,72,250,253],{},[195,241,242],{},"Intrinsic sizing keywords."," ",[42,245,246],{},"fit-content",[42,248,249],{},"min-content",[42,251,252],{},"max-content"," size elements from their content, for labels, buttons and sidebars that should be exactly as wide as they need.",[14,255,256,257,68,261,72,265,269],{},"The full explanations live in ",[23,258,260],{"href":259},"\u002Fmastering-container-queries-responsive-layouts\u002Fflexbox-layout-patterns\u002Fflex-wrap-intrinsic-responsive-rows\u002F","Breakpoint-Free Rows With flex-wrap",[23,262,264],{"href":263},"\u002Fmastering-container-queries-responsive-layouts\u002Fcss-grid-and-subgrid-layouts\u002Fauto-fit-minmax-responsive-grids\u002F","auto-fit and minmax() Grids",[23,266,268],{"href":267},"\u002Fmastering-container-queries-responsive-layouts\u002Fintrinsic-sizing-techniques\u002Flayout-widths-with-min-max-clamp\u002F","Layout Widths With min(), max() and clamp()",". Here they are combined into a component baseline.",[34,271,273],{"id":272},"the-complete-implementation","The complete implementation",[14,275,276],{},"The product card below is fully responsive in every browser through intrinsic techniques alone. A container query then adds two refinements that intrinsic layout cannot express — a larger title and a square image in wide containers.",[278,279],"live-demo",{"name":280},"cq-intrinsic-baseline",[282,283,288],"pre",{"className":284,"code":285,"language":286,"meta":287,"style":287},"language-html shiki shiki-themes github-light-high-contrast github-dark-high-contrast","\u003C!doctype html>\n\u003Chtml lang=\"en\">\n\u003Chead>\n\u003Cmeta charset=\"utf-8\">\n\u003Cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n\u003Ctitle>Intrinsic baseline plus container enhancement\u003C\u002Ftitle>\n\u003Cstyle>\n  body { font: 15px\u002F1.5 system-ui, sans-serif; margin: 1rem; }\n\n  \u002F* ---------- Baseline: no queries at all ---------- *\u002F\n\n  .product {\n    display: flex;\n    flex-wrap: wrap;                       \u002F* stack when the pair no longer fits *\u002F\n    gap: 1rem;\n    padding: clamp(0.75rem, 4%, 1.5rem);   \u002F* spacing tracks the card's width *\u002F\n    border: 1px solid #cbd5e1;\n    border-radius: 12px;\n  }\n\n  .product__media {\n    flex: 1 1 10rem;                       \u002F* prefer 10rem beside the text *\u002F\n    aspect-ratio: 4 \u002F 3;\n    border-radius: 8px;\n    background: linear-gradient(135deg, #fde68a, #f59e0b);\n  }\n\n  .product__body {\n    flex: 999 1 16rem;                     \u002F* grow first; wrap below 16rem *\u002F\n    min-width: 0;\n  }\n\n  .product__title { margin: 0 0 0.25rem; font-size: 1.1rem; }\n\n  .product__actions {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 0.5rem;\n  }\n  .product__actions > * { flex: 1 1 8rem; } \u002F* buttons share a row or stack *\u002F\n\n  \u002F* ---------- Enhancement: container queries ---------- *\u002F\n\n  .product-slot { container-type: inline-size; }\n\n  @container (width > 36rem) {\n    .product__title { font-size: 1.35rem; }\n    .product__media { aspect-ratio: 1; flex-grow: 0; }\n  }\n\u003C\u002Fstyle>\n\u003C\u002Fhead>\n\u003Cbody>\n  \u003Cdiv class=\"product-slot\">\n    \u003Carticle class=\"product\">\n      \u003Cdiv class=\"product__media\" role=\"img\" aria-label=\"Amber ceramic mug\">\u003C\u002Fdiv>\n      \u003Cdiv class=\"product__body\">\n        \u003Ch3 class=\"product__title\">Amber ceramic mug\u003C\u002Fh3>\n        \u003Cp>Hand-thrown, 350 ml, dishwasher safe.\u003C\u002Fp>\n        \u003Cdiv class=\"product__actions\">\n          \u003Cbutton type=\"button\">Add to basket\u003C\u002Fbutton>\n          \u003Cbutton type=\"button\">Save\u003C\u002Fbutton>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n    \u003C\u002Farticle>\n  \u003C\u002Fdiv>\n\u003C\u002Fbody>\n\u003C\u002Fhtml>\n","html","",[42,289,290,310,330,340,358,383,397,407,459,466,473,478,487,501,518,532,570,590,605,611,616,624,647,664,677,709,714,719,727,750,763,768,773,809,814,822,833,844,858,863,895,900,906,911,925,930,939,958,984,989,999,1008,1018,1037,1055,1093,1109,1132,1146,1162,1186,1206,1216,1226,1236,1246,1255],{"__ignoreMap":287},[291,292,295,299,303,307],"span",{"class":293,"line":294},"line",1,[291,296,298],{"class":297},"suds8","\u003C!",[291,300,302],{"class":301},"sne4z","doctype",[291,304,306],{"class":305},"s-5SL"," html",[291,308,309],{"class":297},">\n",[291,311,313,316,318,321,324,328],{"class":293,"line":312},2,[291,314,315],{"class":297},"\u003C",[291,317,286],{"class":301},[291,319,320],{"class":305}," 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0.25",[291,794,455],{"class":427},[291,796,444],{"class":297},[291,798,799],{"class":305},"font-size",[291,801,421],{"class":297},[291,803,804],{"class":305},"1.1",[291,806,455],{"class":427},[291,808,458],{"class":297},[291,810,812],{"class":293,"line":811},34,[291,813,465],{"emptyLinePlaceholder":464},[291,815,817,820],{"class":293,"line":816},35,[291,818,819],{"class":305},"  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*",[291,875,415],{"class":297},[291,877,497],{"class":305},[291,879,421],{"class":297},[291,881,452],{"class":305},[291,883,636],{"class":305},[291,885,886],{"class":305}," 8",[291,888,455],{"class":427},[291,890,891],{"class":297},"; } ",[291,893,894],{"class":471},"\u002F* buttons share a row or stack *\u002F\n",[291,896,898],{"class":293,"line":897},41,[291,899,465],{"emptyLinePlaceholder":464},[291,901,903],{"class":293,"line":902},42,[291,904,905],{"class":471},"  \u002F* ---------- Enhancement: container queries ---------- *\u002F\n",[291,907,909],{"class":293,"line":908},43,[291,910,465],{"emptyLinePlaceholder":464},[291,912,914,917,919,922],{"class":293,"line":913},44,[291,915,916],{"class":305},"  .product-slot",[291,918,415],{"class":297},[291,920,921],{"class":305},"container-type",[291,923,924],{"class":297},": inline-size; }\n",[291,926,928],{"class":293,"line":927},45,[291,929,465],{"emptyLinePlaceholder":464},[291,931,933,936],{"class":293,"line":932},46,[291,934,935],{"class":427},"  @container",[291,937,938],{"class":297}," (width > 36rem) {\n",[291,940,942,945,947,949,951,954,956],{"class":293,"line":941},47,[291,943,944],{"class":305},"    .product__title",[291,946,415],{"class":297},[291,948,799],{"class":305},[291,950,421],{"class":297},[291,952,953],{"class":305},"1.35",[291,955,455],{"class":427},[291,957,458],{"class":297},[291,959,961,964,966,969,971,973,975,978,980,982],{"class":293,"line":960},48,[291,962,963],{"class":305},"    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class",[291,1031,323],{"class":297},[291,1033,1034],{"class":326},"\"product-slot\"",[291,1036,309],{"class":297},[291,1038,1040,1043,1046,1048,1050,1053],{"class":293,"line":1039},54,[291,1041,1042],{"class":297},"    \u003C",[291,1044,1045],{"class":301},"article",[291,1047,1029],{"class":305},[291,1049,323],{"class":297},[291,1051,1052],{"class":326},"\"product\"",[291,1054,309],{"class":297},[291,1056,1058,1061,1063,1065,1067,1070,1073,1075,1078,1081,1083,1086,1089,1091],{"class":293,"line":1057},55,[291,1059,1060],{"class":297},"      \u003C",[291,1062,1026],{"class":301},[291,1064,1029],{"class":305},[291,1066,323],{"class":297},[291,1068,1069],{"class":326},"\"product__media\"",[291,1071,1072],{"class":305}," role",[291,1074,323],{"class":297},[291,1076,1077],{"class":326},"\"img\"",[291,1079,1080],{"class":305}," aria-label",[291,1082,323],{"class":297},[291,1084,1085],{"class":326},"\"Amber ceramic mug\"",[291,1087,1088],{"class":297},">\u003C\u002F",[291,1090,1026],{"class":301},[291,1092,309],{"class":297},[291,1094,1096,1098,1100,1102,1104,1107],{"class":293,"line":1095},56,[291,1097,1060],{"class":297},[291,1099,1026],{"class":301},[291,1101,1029],{"class":305},[291,1103,323],{"class":297},[291,1105,1106],{"class":326},"\"product__body\"",[291,1108,309],{"class":297},[291,1110,1112,1115,1118,1120,1122,1125,1128,1130],{"class":293,"line":1111},57,[291,1113,1114],{"class":297},"        \u003C",[291,1116,1117],{"class":301},"h3",[291,1119,1029],{"class":305},[291,1121,323],{"class":297},[291,1123,1124],{"class":326},"\"product__title\"",[291,1126,1127],{"class":297},">Amber ceramic mug\u003C\u002F",[291,1129,1117],{"class":301},[291,1131,309],{"class":297},[291,1133,1135,1137,1139,1142,1144],{"class":293,"line":1134},58,[291,1136,1114],{"class":297},[291,1138,14],{"class":301},[291,1140,1141],{"class":297},">Hand-thrown, 350 ml, dishwasher safe.\u003C\u002F",[291,1143,14],{"class":301},[291,1145,309],{"class":297},[291,1147,1149,1151,1153,1155,1157,1160],{"class":293,"line":1148},59,[291,1150,1114],{"class":297},[291,1152,1026],{"class":301},[291,1154,1029],{"class":305},[291,1156,323],{"class":297},[291,1158,1159],{"class":326},"\"product__actions\"",[291,1161,309],{"class":297},[291,1163,1165,1168,1171,1174,1176,1179,1182,1184],{"class":293,"line":1164},60,[291,1166,1167],{"class":297},"          \u003C",[291,1169,1170],{"class":301},"button",[291,1172,1173],{"class":305}," type",[291,1175,323],{"class":297},[291,1177,1178],{"class":326},"\"button\"",[291,1180,1181],{"class":297},">Add to basket\u003C\u002F",[291,1183,1170],{"class":301},[291,1185,309],{"class":297},[291,1187,1189,1191,1193,1195,1197,1199,1202,1204],{"class":293,"line":1188},61,[291,1190,1167],{"class":297},[291,1192,1170],{"class":301},[291,1194,1173],{"class":305},[291,1196,323],{"class":297},[291,1198,1178],{"class":326},[291,1200,1201],{"class":297},">Save\u003C\u002F",[291,1203,1170],{"class":301},[291,1205,309],{"class":297},[291,1207,1209,1212,1214],{"class":293,"line":1208},62,[291,1210,1211],{"class":297},"        \u003C\u002F",[291,1213,1026],{"class":301},[291,1215,309],{"class":297},[291,1217,1219,1222,1224],{"class":293,"line":1218},63,[291,1220,1221],{"class":297},"      \u003C\u002F",[291,1223,1026],{"class":301},[291,1225,309],{"class":297},[291,1227,1229,1232,1234],{"class":293,"line":1228},64,[291,1230,1231],{"class":297},"    \u003C\u002F",[291,1233,1045],{"class":301},[291,1235,309],{"class":297},[291,1237,1239,1242,1244],{"class":293,"line":1238},65,[291,1240,1241],{"class":297},"  \u003C\u002F",[291,1243,1026],{"class":301},[291,1245,309],{"class":297},[291,1247,1249,1251,1253],{"class":293,"line":1248},66,[291,1250,994],{"class":297},[291,1252,1015],{"class":301},[291,1254,309],{"class":297},[291,1256,1258,1260,1262],{"class":293,"line":1257},67,[291,1259,994],{"class":297},[291,1261,286],{"class":301},[291,1263,309],{"class":297},[14,1265,1266,1267,1269,1270,1272],{},"The large ",[42,1268,977],{}," on the body — ",[42,1271,736],{}," — is a small trick worth knowing: when the media and the body share a row, almost all spare space goes to the text, so the image stays near its preferred 10rem. When the row wraps, each item is alone on its line and grows to fill it regardless. The container query is purely additive: remove it and the card is still correct everywhere, just less polished at wide sizes.",[34,1274,1276],{"id":1275},"the-key-technique-baseline-first-enhancement-second","The key technique: baseline first, enhancement second",[14,1278,1279,1280,1283,1284,1287,1288,1291],{},"The structure that makes this robust is ordering. Everything the component needs to be ",[18,1281,1282],{},"usable"," is written outside any query and relies only on long-supported features. Everything that makes it ",[18,1285,1286],{},"better"," at particular sizes sits inside ",[42,1289,1290],{},"@container"," rules, which unsupported engines ignore.",[82,1293,89,1296,89,1299,89,1302,89,1305,89,1310,89,1315,89,1320,89,1324,89,1327,89,1330,89,1332],{"viewBox":1294,"role":85,"ariaLabel":1295,"xmlns":87,"style":88},"0 0 720 280","Two-layer stack: an intrinsic baseline that every browser gets, and a container query enhancement layer that only supporting browsers apply",[91,1297,1298],{},"Baseline and enhancement layers",[95,1300,1301],{},"The bottom layer, applied everywhere, uses flex-wrap, auto-fit grids and clamp to decide layout. The top layer, applied only where container queries exist, refines typography, aspect ratio and visibility at thresholds.",[99,1303,1304],{"textAnchor":101,"x":102,"y":103,"style":104},"Usable everywhere, refined where possible",[114,1306],{"x":130,"y":1307,"width":1308,"height":130,"rx":600,"fill":132,"opacity":1309},"160","560","0.3",[99,1311,1314],{"textAnchor":101,"x":102,"y":1312,"style":1313},"190","text-anchor:middle;fill:currentColor;font:700 14px sans-serif","Intrinsic baseline — every browser",[99,1316,1319],{"textAnchor":101,"x":102,"y":1317,"style":1318},"214","text-anchor:middle;fill:currentColor;font:12px ui-monospace,monospace","flex-wrap · auto-fit · minmax() · clamp() · fit-content",[114,1321],{"x":152,"y":1322,"width":1323,"height":130,"rx":600,"fill":121,"stroke":122,"strokeWidth":123,"opacity":124},"60","440",[99,1325,1326],{"textAnchor":101,"x":102,"y":181,"style":1313},"Container enhancements — where supported",[99,1328,1329],{"textAnchor":101,"x":102,"y":171,"style":1318},"type scale · aspect-ratio · hide secondary content",[293,1331],{"x1":102,"y1":152,"x2":102,"y2":1307,"stroke":122,"strokeWidth":123,"opacity":124},[99,1333,1336],{"textAnchor":101,"x":102,"y":1334,"style":1335},"266","text-anchor:middle;fill:currentColor;font:12px sans-serif;opacity:0.8","If the top layer disappeared entirely, the component would still work.",[14,1338,1339],{},"A useful discipline in code review is to ask of every container query rule: \"if this rule vanished, would the component break or just look plainer?\" Rules whose absence breaks the component belong in the baseline, rewritten intrinsically if possible. Only rules whose absence makes the component plainer belong behind the query.",[34,1341,1343],{"id":1342},"converting-an-existing-query-driven-component","Converting an existing query-driven component",[14,1345,1346,1347,1349],{},"Many components were written query-first: a stacked default and one or two ",[42,1348,1290],{}," rules that rearrange everything. Converting them to an intrinsic baseline is a matter of asking, for each rule inside a query, whether an intrinsic technique can produce the same arrangement from the available space.",[14,1351,1352,1353,1356,1357,1360,1361,1363,1364,1367,1368,1371,1372,1374],{},"Layout switches between a stack and a row almost always can: replace ",[42,1354,1355],{},"flex-direction: column"," in the default and ",[42,1358,1359],{},"flex-direction: row"," in the query with a single wrapping row whose items have sensible ",[42,1362,202],{}," values. Column-count changes in a grid almost always can: replace fixed ",[42,1365,1366],{},"grid-template-columns"," per band with one ",[42,1369,1370],{},"repeat(auto-fit, minmax(…))"," definition. Padding and gap steps usually can: replace per-band values with one ",[42,1373,75],{}," expression that grows with a percentage of the container.",[14,1376,1377,1378,1382],{},"What remains in the queries after that pass is the genuinely conditional design — the typography step, the hidden secondary line, the changed aspect ratio. The component typically ends up with far fewer query rules, each of them smaller, and a baseline that behaves well at every width rather than only at the widths the designer tested. Converting the thresholds of the remaining rules to exclusive range syntax, as described in ",[23,1379,1381],{"href":1380},"\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-syntax-basics\u002Fcontainer-query-range-and-logic-operators\u002F","Container Query Range Syntax and Logic",", finishes the tidy-up.",[34,1384,1386],{"id":1385},"what-intrinsic-techniques-cannot-do","What intrinsic techniques cannot do",[14,1388,1389,1390,1393],{},"Intrinsic layout decides ",[18,1391,1392],{},"whether things fit",". It cannot make design decisions that are not about fit:",[1395,1396,1397,1406,1412,1418],"ul",{},[192,1398,1399,1402,1403,1405],{},[195,1400,1401],{},"Typography changes at a threshold."," A title that should jump from 1.1rem to 1.35rem at a card width is a design choice; fluid type with ",[42,1404,75],{}," gives continuous scaling but not a step.",[192,1407,1408,1411],{},[195,1409,1410],{},"Hiding or revealing secondary content."," Nothing intrinsic hides the author name on a very narrow card.",[192,1413,1414,1417],{},[195,1415,1416],{},"Changing aspect ratios or orientation."," An image that should be 4:3 when stacked and square when beside text needs a condition.",[192,1419,1420,1423],{},[195,1421,1422],{},"Different component variants."," Switching from a list to a table layout is a structural change that needs a query.",[14,1425,1426,1427,1430,1431,203],{},"These are precisely the enhancements a container query should provide. When a design leans heavily on them and the fallback matters, a viewport media query inside ",[42,1428,1429],{},"@supports not (container-type: inline-size)"," can approximate them for the placements that matter most — the approach described in ",[23,1432,1434],{"href":1433},"\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-fallbacks\u002Fhandling-container-query-fallbacks-for-older-browsers\u002F","Handling Container Query Fallbacks for Older Browsers",[34,1436,1438],{"id":1437},"motion-in-the-baseline","Motion in the baseline",[14,1440,1441,1442,203],{},"The same principle extends to animation. A component that animates when it changes layout — cards reflowing into a new arrangement, say — should be fully usable with no animation at all, with motion added as an enhancement gated by support and preference. Layout changes produced by intrinsic wrapping happen continuously as the container resizes and cannot be meaningfully animated anyway; threshold changes from container queries can be, as shown in ",[23,1443,1445],{"href":1444},"\u002Fcss-only-micro-interactions-animations\u002Fkeyframe-animation-patterns\u002Fcontainer-query-triggered-keyframe-animations\u002F","Container-Query-Triggered Keyframe Animations",[34,1447,1449],{"id":1448},"browser-support","Browser support",[14,1451,1452,1453,72,1456,1458,1459,1461,1462,68,1464,72,1466,1468,1469,1471,1472,1475],{},"The intrinsic building blocks are long established: CSS Grid with ",[42,1454,1455],{},"repeat()",[42,1457,63],{}," from Chrome 57, Firefox 52 (",[42,1460,1455],{}," 76) and Safari 10.1; ",[42,1463,67],{},[42,1465,71],{},[42,1467,75],{}," from Chrome and Edge 79, Firefox 75 and Safari 13.1; ",[42,1470,968],{}," from Chrome and Edge 88, Firefox 89 and Safari 15; and flex ",[42,1473,1474],{},"gap"," in all current engines. Container queries, the enhancement layer, are supported in Chrome and Edge 105+, Firefox 110+ and Safari 16+.",[34,1477,1479],{"id":1478},"faq","FAQ",[14,1481,1482,1485,1486,1488,1489,60,1491,1493,1494,234,1496,1498],{},[195,1483,1484],{},"What is an intrinsic layout?","\nA layout whose arrangement is decided by the browser from the available space and the content's own sizes, using features such as ",[42,1487,55],{},", grid ",[42,1490,59],{},[42,1492,63],{},", and ",[42,1495,75],{},[42,1497,67],{}," for sizes. It adapts continuously without any query or breakpoint.",[14,1500,1501,1504],{},[195,1502,1503],{},"Why use an intrinsic layout as a fallback rather than a media query?","\nA media query responds to the viewport, which is the wrong measurement for a component placed in a sidebar or grid cell. An intrinsic layout responds to the component's real available space, just as a container query would, so it is correct in more placements.",[14,1506,1507,1510],{},[195,1508,1509],{},"Do I still need container queries if intrinsic layouts work?","\nOften, yes, but for less. Intrinsic techniques handle whether things fit. Container queries handle design changes that are not about fit, such as switching typography, hiding secondary content, or changing an image's aspect ratio at a threshold.",[14,1512,1513,1516,1517,1519,1520,1523],{},[195,1514,1515],{},"How do I layer container queries on top of an intrinsic baseline?","\nWrite the intrinsic layout outside any query so every browser gets it. Then add ",[42,1518,1290],{}," rules that refine it, optionally inside ",[42,1521,1522],{},"@supports (container-type: inline-size)",". Browsers without container queries keep the baseline; others get the refinement.",[34,1525,1527],{"id":1526},"related","Related",[1395,1529,1530,1535,1542,1549],{},[192,1531,1532,1534],{},[23,1533,26],{"href":25}," — the parent guide.",[192,1536,1537,1541],{},[23,1538,1540],{"href":1539},"\u002Fmastering-container-queries-responsive-layouts\u002Fcontainer-query-fallbacks\u002Fcontainer-query-polyfill-tradeoffs\u002F","Container Query Polyfill: Is It Worth It?"," — the script-based alternative.",[192,1543,1544,1548],{},[23,1545,1547],{"href":1546},"\u002Fmastering-container-queries-responsive-layouts\u002Fflexbox-layout-patterns\u002F","Flexbox Layout Patterns"," — the flex techniques used in the baseline.",[192,1550,1551,1555],{},[23,1552,1554],{"href":1553},"\u002Fcss-only-micro-interactions-animations\u002Fcontainer-aware-motion\u002Fmotion-that-scales-with-container-size\u002F","Motion That Scales With Container Size"," — enhancement applied to motion.",[404,1557,1558],{},"html pre.shiki code .suds8, html code.shiki .suds8{--shiki-default:#0E1116;--shiki-dark:#F0F3F6}html pre.shiki code .sne4z, html code.shiki .sne4z{--shiki-default:#024C1A;--shiki-dark:#72F088}html pre.shiki code .s-5SL, html code.shiki .s-5SL{--shiki-default:#023B95;--shiki-dark:#91CBFF}html pre.shiki code .sT6z2, html code.shiki .sT6z2{--shiki-default:#032563;--shiki-dark:#ADDCFF}html pre.shiki code .sHUrx, html code.shiki .sHUrx{--shiki-default:#A0111F;--shiki-dark:#FF9492}html pre.shiki code .sLBg1, html code.shiki .sLBg1{--shiki-default:#66707B;--shiki-dark:#BDC4CC}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":287,"searchDepth":312,"depth":312,"links":1560},[1561,1562,1563,1564,1565,1566,1567,1568,1569,1570],{"id":36,"depth":312,"text":37},{"id":186,"depth":312,"text":187},{"id":272,"depth":312,"text":273},{"id":1275,"depth":312,"text":1276},{"id":1342,"depth":312,"text":1343},{"id":1385,"depth":312,"text":1386},{"id":1437,"depth":312,"text":1438},{"id":1448,"depth":312,"text":1449},{"id":1478,"depth":312,"text":1479},{"id":1526,"depth":312,"text":1527},"Build component baselines that adapt to their space with no container or media queries: flex-wrap, auto-fit grids, clamp() and min(), then add @container.","md",{"pageTitle":1574,"datePublished":1575,"dateModified":1575,"faq":1576},"Intrinsic Layout Fallbacks Without Queries","2026-09-18",[1577,1579,1581,1583],{"q":1484,"a":1578},"A layout whose arrangement is decided by the browser from the available space and the content's own sizes, using features such as flex-wrap, grid auto-fit with minmax(), and clamp() or min() for sizes. It adapts continuously without any query or breakpoint.",{"q":1503,"a":1580},"A media query responds to the viewport, which is the wrong measurement for a component placed in a sidebar or grid cell. An intrinsic layout responds to the component's real available space, just as a container query would, so it is correct in more placements.",{"q":1509,"a":1582},"Often, yes, but for less. Intrinsic techniques handle whether things fit. Container queries handle design changes that are not about fit, such as switching typography, hiding secondary content, or changing an image's aspect ratio at a threshold.",{"q":1515,"a":1584},"Write the intrinsic layout outside any query so every browser gets it. Then add @container rules that refine it, optionally inside @supports (container-type: inline-size). Browsers without container queries keep the baseline; others get the 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