refactor: improve lesson clarity and use friendlier values
Flexbox and Box Model lessons: - Use explicit task instructions with selector AND property - Include selector in codePrefix for better context - Replace hex colors with named CSS colors (steelblue, coral, etc.) - Simplify values (2px instead of 0.125rem, 1rem instead of 1.25rem) - Remove redundant contains validations - Wrap code examples in <code> tags for proper styling
This commit is contained in:
@@ -9,32 +9,19 @@
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"id": "flexbox-1",
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"title": "Flexbox Container Grundlagen",
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"description": "Lerne, wie du einen Flex-Container erstellst und die Haupt- und Querachse verstehst.",
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"task": "Wandle das übergeordnete div in einen Flex-Container um und stelle es auf Reihenanzeige (Standard).",
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"task": "Füge <code>display: flex</code> zu <code>.flex-container</code> hinzu, um ein Flexbox-Layout zu erstellen.",
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"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box'>2</div><div class='box'>3</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; margin: 0.5rem; text-align: center; font-weight: bold; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; }",
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"codePrefix": "/* Wandle den Container in Flexbox um */\n",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { background: steelblue; color: white; padding: 1rem; margin: 8px; text-align: center; font-weight: bold; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; }",
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"codePrefix": ".flex-container {\n ",
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"initialCode": "",
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"codeSuffix": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": ".flex-container",
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"message": "Verwende den '.flex-container' Klassenselektor",
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"options": { "caseSensitive": false }
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},
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{
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"type": "contains",
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"value": "display",
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"message": "Verwende die 'display' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "property_value",
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"value": { "property": "display", "expected": "flex" },
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"message": "Setze display auf 'flex'",
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"options": { "exact": true }
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"message": "Setze display auf 'flex'"
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}
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]
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},
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@@ -42,38 +29,24 @@
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"id": "flexbox-2",
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"title": "Flex-Richtung und Umbruch",
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"description": "Steuere die Richtung und den Umbruch von Flex-Elementen innerhalb eines Containers.",
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"task": "Stelle den Flex-Container auf Spaltenanzeige ein und erlaube bei Bedarf Umbrüche.",
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"task": "Füge <code>flex-direction: column</code> und <code>flex-wrap: wrap</code> zu <code>.flex-container</code> hinzu.",
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"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box'>2</div><div class='box'>3</div><div class='box'>4</div><div class='box'>5</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; margin: 0.5rem; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; height: 20rem; display: flex; }",
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"codePrefix": "/* Setze flex-direction auf column und aktiviere Umbruch */\n.flex-container {\n /* Füge deinen Code unten ein */\n",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { background: steelblue; color: white; padding: 1rem; margin: 8px; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; height: 16rem; display: flex; }",
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"codePrefix": ".flex-container {\n ",
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"initialCode": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": "flex-direction",
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"message": "Verwende die 'flex-direction' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "contains",
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"value": "flex-wrap",
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"message": "Verwende die 'flex-wrap' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "property_value",
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"value": { "property": "flex-direction", "expected": "column" },
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"message": "Setze flex-direction auf 'column'",
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"options": { "exact": true }
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"message": "Setze flex-direction auf 'column'"
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},
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{
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"type": "property_value",
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"value": { "property": "flex-wrap", "expected": "wrap" },
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"message": "Setze flex-wrap auf 'wrap'",
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"options": { "exact": true }
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"message": "Setze flex-wrap auf 'wrap'"
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}
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]
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},
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@@ -81,26 +54,19 @@
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"id": "flexbox-3",
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"title": "Justify Content",
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"description": "Lerne, wie du Flex-Elemente entlang der Hauptachse des Containers ausrichtest.",
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"task": "Verteile die Flex-Elemente gleichmäßig entlang der Hauptachse mit Abstand dazwischen.",
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"task": "Füge <code>justify-content: space-between</code> zu <code>.flex-container</code> hinzu, um die Boxen gleichmäßig zu verteilen.",
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"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box'>2</div><div class='box'>3</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; display: flex; }",
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"codePrefix": "/* Verteile die Elemente mit Abstand dazwischen */\n.flex-container {\n /* Füge deinen Code unten ein */\n",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { background: steelblue; color: white; padding: 1rem; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; }",
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"codePrefix": ".flex-container {\n ",
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"initialCode": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": "justify-content",
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"message": "Verwende die 'justify-content' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "property_value",
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"value": { "property": "justify-content", "expected": "space-between" },
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"message": "Setze justify-content auf 'space-between'",
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"options": { "exact": true }
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"message": "Setze justify-content auf 'space-between'"
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}
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]
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},
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@@ -108,98 +74,59 @@
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"id": "flexbox-4",
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"title": "Align Items",
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"description": "Steuere, wie Flex-Elemente entlang der Querachse des Containers ausgerichtet werden.",
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"task": "Zentriere die Flex-Elemente vertikal entlang der Querachse.",
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"task": "Füge <code>align-items: center</code> zu <code>.flex-container</code> hinzu, um die Boxen vertikal zu zentrieren.",
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"previewHTML": "<div class='flex-container'><div class='box tall'>1</div><div class='box'>2</div><div class='box short'>3</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; margin: 0.5rem; text-align: center; font-weight: bold; width: 3rem; display: flex; justify-content: center; } .tall { height: 8rem; align-items: flex-start; } .short { height: 3rem; align-items: flex-start; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; display: flex; height: 12rem; }",
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"codePrefix": "/* Zentriere die Elemente vertikal */\n.flex-container {\n /* Füge deinen Code unten ein */\n",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { background: steelblue; color: white; padding: 1rem; margin: 8px; text-align: center; font-weight: bold; width: 3rem; display: flex; justify-content: center; } .tall { height: 6rem; } .short { height: 3rem; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; height: 10rem; }",
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"codePrefix": ".flex-container {\n ",
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"initialCode": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": "align-items",
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"message": "Verwende die 'align-items' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "property_value",
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"value": { "property": "align-items", "expected": "center" },
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"message": "Setze align-items auf 'center'",
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"options": { "exact": true }
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"message": "Setze align-items auf 'center'"
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}
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]
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},
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{
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"id": "flexbox-5",
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"title": "Flex-Element Eigenschaften",
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"description": "Steuere, wie einzelne Flex-Elemente wachsen, schrumpfen und ihre Basisgröße festlegen.",
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"task": "Lass die zweite Box doppelt so stark wachsen wie die anderen und verhindere, dass die dritte Box schrumpft.",
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"title": "Flex Grow",
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"description": "Die <code>flex</code> Eigenschaft steuert, wie stark ein Element im Verhältnis zu anderen wächst.",
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"task": "Füge <code>flex: 2</code> zu <code>.box2</code> hinzu, um sie doppelt so breit wachsen zu lassen.",
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"previewHTML": "<div class='flex-container'><div class='box box1'>1</div><div class='box box2'>2</div><div class='box box3'>3</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; margin: 0.5rem; text-align: center; font-weight: bold; height: 3rem; display: flex; align-items: center; justify-content: center; } .box1 { background-color: #e74c3c; } .box2 { background-color: #2ecc71; } .box3 { background-color: #f39c12; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; display: flex; width: 100%; }",
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"codePrefix": "/* Lass box2 mehr wachsen und verhindere das Schrumpfen von box3 */\n",
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"initialCode": ".box1 {\n flex: 1;\n}\n\n.box2 {\n /* Diese soll doppelt so stark wachsen */\n}\n\n.box3 {\n flex: 1;\n /* Verhindere das Schrumpfen */\n}",
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"codeSuffix": "",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { color: white; padding: 1rem; margin: 8px; text-align: center; font-weight: bold; display: flex; align-items: center; justify-content: center; } .box1 { background: coral; flex: 1; } .box2 { background: mediumseagreen; } .box3 { background: gold; flex: 1; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; }",
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"codePrefix": ".box2 {\n ",
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"initialCode": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": ".box2",
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"message": "Style das '.box2' Element",
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"options": { "caseSensitive": false }
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},
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{
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"type": "contains",
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"value": ".box3",
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"message": "Style das '.box3' Element",
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"options": { "caseSensitive": false }
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},
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{
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"type": "regex",
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"value": ".box2\\s*{[^}]*flex:\\s*2",
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"message": "Setze flex auf '2' für box2",
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"options": { "caseSensitive": false }
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},
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{
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"type": "regex",
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"value": ".box3\\s*{[^}]*flex-shrink:\\s*0",
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"message": "Setze flex-shrink auf '0' für box3",
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"options": { "caseSensitive": false }
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"type": "property_value",
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"value": { "property": "flex", "expected": "2" },
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"message": "Setze flex auf '2'"
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}
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]
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},
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{
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"id": "flexbox-6",
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"title": "Einzelne Elemente ausrichten",
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"description": "Lerne, wie du die Container-Ausrichtung für einzelne Flex-Elemente überschreiben kannst.",
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"task": "Setze 'align-self' auf das mittlere Element, um es am Anfang der Querachse auszurichten.",
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"title": "Align Self",
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"description": "Verwende <code>align-self</code>, um die Ausrichtung für ein einzelnes Flex-Element zu überschreiben.",
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"task": "Füge <code>align-self: flex-start</code> zu <code>.middle</code> hinzu, um es nach oben zu verschieben.",
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"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box middle'>2</div><div class='box'>3</div></div>",
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"previewBaseCSS": "body { font-family: system-ui, -apple-system, sans-serif; padding: 1.25rem; } .box { background-color: #3498db; color: white; padding: 1.25rem; margin: 0.5rem; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; } .middle { background-color: #2ecc71; }",
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"sandboxCSS": ".flex-container { border: 0.125rem dashed #ccc; padding: 1rem; display: flex; height: 15rem; align-items: center; }",
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"codePrefix": "/* Richte das mittlere Element am Anfang aus */\n",
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"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; } .box { background: steelblue; color: white; padding: 1rem; margin: 8px; text-align: center; font-weight: bold; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; } .middle { background: mediumseagreen; }",
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"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; height: 12rem; align-items: center; }",
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"codePrefix": ".middle {\n ",
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"initialCode": "",
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"codeSuffix": "",
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"codeSuffix": "\n}",
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"previewContainer": "preview-area",
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"validations": [
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{
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"type": "contains",
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"value": ".middle",
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"message": "Verwende den '.middle' Klassenselektor",
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"options": { "caseSensitive": false }
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},
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{
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"type": "contains",
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"value": "align-self",
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"message": "Verwende die 'align-self' Eigenschaft",
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"options": { "caseSensitive": false }
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},
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{
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"type": "property_value",
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"value": { "property": "align-self", "expected": "flex-start" },
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"message": "Setze align-self auf 'flex-start'",
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"options": { "exact": true }
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"message": "Setze align-self auf 'flex-start'"
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}
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]
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}
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