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refactor: shorten compound class names to single words
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- box-model: .margin-box→.outer, .border-box→.sized, .shorthand-box→.spaced,
  .padding-box→.padded, .border-demo→.line
- units-variables: .unit-box→.box, .var-box→.themed, .calc-box→.sized,
  .viewport-box→.view
- responsive: .responsive-box→.panel, .fluid-text→.text, .grid-responsive→.cards
- Move expected toggle below preview area
- Update German translations with same changes
This commit is contained in:
Michael Czechowski
2025-12-30 18:23:54 +01:00
parent 5adff0861d
commit 496ff11252
7 changed files with 102 additions and 102 deletions
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34
lessons/05-units-variables.json
View File

@@ -9,11 +9,11 @@
"id": "units-1",
"title": "Absolute vs. Relative Units",
"description": "Learn the difference between px, rem, em, %, and vw/vh for flexible, responsive layouts.",
"task": "Set the <kbd>width</kbd> of <kbd>.unit-box</kbd> to <kbd>80%</kbd> and <kbd>max-width</kbd> to <kbd>37.5rem</kbd>.",
"previewHTML": "<div class=\"unit-box\">Resize me!</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .unit-box { background: #f5f5f5; padding: 1rem; }",
"task": "Set the <kbd>width</kbd> of <kbd>.box</kbd> to <kbd>80%</kbd> and <kbd>max-width</kbd> to <kbd>37.5rem</kbd>.",
"previewHTML": "<div class=\"box\">Resize me!</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .box { background: #f5f5f5; padding: 1rem; }",
"sandboxCSS": "",
"codePrefix": "/* Set flexible sizing */\n.unit-box {",
"codePrefix": "/* Set flexible sizing */\n.box {",
"initialCode": "",
"codeSuffix": "}",
"solution": " width: 80%;\n max-width: 37.5rem;",
@@ -33,14 +33,14 @@
"id": "units-2",
"title": "CSS Custom Properties",
"description": "Define and reuse variables (--custom properties) to centralize your theme values.",
"task": "Create a <kbd>--main-color</kbd> variable in <kbd>:root</kbd> with <kbd>#6200ee</kbd> and apply it as the border color on <kbd>.var-box</kbd>.",
"previewHTML": "<div class=\"var-box\">Variable Box</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .var-box { padding: 1rem; border: 0.125rem solid #ddd; }",
"task": "Create a <kbd>--main-color</kbd> variable in <kbd>:root</kbd> with <kbd>#6200ee</kbd> and apply it as the border color on <kbd>.themed</kbd>.",
"previewHTML": "<div class=\"themed\">Variable Box</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .themed { padding: 1rem; border: 0.125rem solid #ddd; }",
"sandboxCSS": "",
"codePrefix": "/* Define and use a CSS variable */\n:root {",
"initialCode": "",
"codeSuffix": "}\n.var-box { }",
"solution": " --main-color: #6200ee;\n}\n.var-box {\n border-color: var(--main-color);",
"codeSuffix": "}\n.themed { }",
"solution": " --main-color: #6200ee;\n}\n.themed {\n border-color: var(--main-color);",
"previewContainer": "preview-area",
"validations": [
{
@@ -67,11 +67,11 @@
"id": "units-3",
"title": "Unit Calculations (calc)",
"description": "Use the <kbd>calc()</kbd> function to combine different units in one expression.",
"task": "Set the <kbd>width</kbd> of <kbd>.calc-box</kbd> to <kbd>calc(100% - 2rem)</kbd> and <kbd>min-height</kbd> to <kbd>calc(10vh + 1rem)</kbd>.",
"previewHTML": "<div class=\"calc-box\">Calc Demo</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .calc-box { background: #e8f5e9; padding: 1rem; }",
"task": "Set the <kbd>width</kbd> of <kbd>.sized</kbd> to <kbd>calc(100% - 2rem)</kbd> and <kbd>min-height</kbd> to <kbd>calc(10vh + 1rem)</kbd>.",
"previewHTML": "<div class=\"sized\">Calc Demo</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .sized { background: #e8f5e9; padding: 1rem; }",
"sandboxCSS": "",
"codePrefix": "/* Use calc for dynamic sizing */\n.calc-box {",
"codePrefix": "/* Use calc for dynamic sizing */\n.sized {",
"initialCode": "",
"codeSuffix": "}",
"solution": " width: calc(100% - 2rem);\n min-height: calc(10vh + 1rem);",
@@ -96,11 +96,11 @@
"id": "units-4",
"title": "Viewport & Responsive Units",
"description": "Control layouts relative to viewport size with vw, vh, and vmin/vmax units.",
"task": "Give <kbd>.viewport-box</kbd> a <kbd>width</kbd> of <kbd>50vw</kbd> and <kbd>height</kbd> of <kbd>20vh</kbd>.",
"previewHTML": "<div class=\"viewport-box\">Viewport Box</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .viewport-box { background: #ffe0b2; }",
"task": "Give <kbd>.view</kbd> a <kbd>width</kbd> of <kbd>50vw</kbd> and <kbd>height</kbd> of <kbd>20vh</kbd>.",
"previewHTML": "<div class=\"view\">Viewport Box</div>",
"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .view { background: #ffe0b2; }",
"sandboxCSS": "",
"codePrefix": "/* Use viewport units */\n.viewport-box {",
"codePrefix": "/* Use viewport units */\n.view {",
"initialCode": "",
"codeSuffix": "}",
"solution": " width: 50vw;\n height: 20vh;",