Files
code-crispies/lessons/flexbox.json
Michael Czechowski 1073b2a486 fix: improve lesson content with kbd tags, solutions, and animation contrast
- Add <kbd> tags to CSS property values and selectors in task descriptions
- Add solution code to all lessons for better guidance
- Improve animation contrast in transitions lesson (black/white instead
  of similar purples, dramatic color changes for visibility)
- Simplify validation messages with kbd formatting
2025-12-30 16:22:24 +01:00

174 lines
7.4 KiB
JSON

{
"$schema": "../schemas/code-crispies-module-schema.json",
"id": "flexbox",
"title": "Flexbox",
"description": "Master the flexible box layout model for modern responsive designs",
"difficulty": "intermediate",
"lessons": [
{
"id": "flexbox-1",
"title": "Container",
"description": "Learn how to create a flex container and understand the main and cross axes.",
"task": "Add <kbd>display: flex</kbd> to <kbd>.flex-container</kbd> to create a flexbox layout.",
"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box'>2</div><div class='box'>3</div></div>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; }",
"codePrefix": ".flex-container {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "display: flex;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "display",
"expected": "flex"
},
"message": "Set <kbd>display: flex</kbd>"
}
]
},
{
"id": "flexbox-2",
"title": "Direction & Wrap",
"description": "Control the direction and wrapping of flex items within a container.",
"task": "Add <kbd>flex-direction: column</kbd> and <kbd>flex-wrap: wrap</kbd> to <kbd>.flex-container</kbd>.",
"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>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; height: 16rem; display: flex; }",
"codePrefix": ".flex-container {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "flex-direction: column;\n flex-wrap: wrap;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "flex-direction",
"expected": "column"
},
"message": "Set <kbd>flex-direction: column</kbd>",
"options": {
"exact": true
}
},
{
"type": "property_value",
"value": {
"property": "flex-wrap",
"expected": "wrap"
},
"message": "Set <kbd>flex-wrap: wrap</kbd>",
"options": {
"exact": true
}
}
]
},
{
"id": "flexbox-3",
"title": "Justify Content",
"description": "Learn how to align flex items along the main axis of the flex container.",
"task": "Add <kbd>justify-content: space-between</kbd> to <kbd>.flex-container</kbd> to distribute the boxes evenly.",
"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box'>2</div><div class='box'>3</div></div>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; }",
"codePrefix": ".flex-container {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "justify-content: space-between;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "justify-content",
"expected": "space-between"
},
"message": "Set <kbd>justify-content: space-between</kbd>",
"options": {
"exact": true
}
}
]
},
{
"id": "flexbox-4",
"title": "Align Items",
"description": "Control how flex items are aligned along the cross axis of the flex container.",
"task": "Add <kbd>align-items: center</kbd> to <kbd>.flex-container</kbd> to vertically center the boxes.",
"previewHTML": "<div class='flex-container'><div class='box tall'>1</div><div class='box'>2</div><div class='box short'>3</div></div>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; height: 10rem; }",
"codePrefix": ".flex-container {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "align-items: center;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "align-items",
"expected": "center"
},
"message": "Set <kbd>align-items: center</kbd>",
"options": {
"exact": true
}
}
]
},
{
"id": "flexbox-5",
"title": "Flex Grow",
"description": "The <kbd>flex</kbd> property controls how much an item grows relative to others.",
"task": "Add <kbd>flex: 2</kbd> to <kbd>.box2</kbd> to make it grow twice as wide.",
"previewHTML": "<div class='flex-container'><div class='box box1'>1</div><div class='box box2'>2</div><div class='box box3'>3</div></div>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; }",
"codePrefix": ".box2 {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "flex: 2;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "flex",
"expected": "2"
},
"message": "Set <kbd>flex: 2</kbd>"
}
]
},
{
"id": "flexbox-6",
"title": "Align Self",
"description": "Use <kbd>align-self</kbd> to override alignment for a single flex item.",
"task": "Add <kbd>align-self: flex-start</kbd> to <kbd>.middle</kbd> to move it to the top.",
"previewHTML": "<div class='flex-container'><div class='box'>1</div><div class='box middle'>2</div><div class='box'>3</div></div>",
"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; }",
"sandboxCSS": ".flex-container { border: 2px dashed #aaa; padding: 1rem; display: flex; height: 12rem; align-items: center; }",
"codePrefix": ".middle {\n ",
"initialCode": "",
"codeSuffix": "\n}",
"solution": "align-self: flex-start;",
"previewContainer": "preview-area",
"validations": [
{
"type": "property_value",
"value": {
"property": "align-self",
"expected": "flex-start"
},
"message": "Set <kbd>align-self: flex-start</kbd>"
}
]
}
]
}