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Practical tutorials for the work we actually do. Pick one, read it in order, and apply it.

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HTML and CSS Testing and Debugging Clear filters 4 results
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Fix a Blank Page When Your HTML File Won't Open Right

Your HTML file opens blank, shows as text, or downloads instead of rendering. Check the extension, the file:// open path, the doctype and a missing closing tag before you rewrite the page.

3 min read
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Read Computed Styles in DevTools Without Guessing

Trace a reproducible colour and spacing conflict from the rendered result to the winning rule, then verify the repair in the source file.

4 min read
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Fix Horizontal Scroll on Mobile in 10 Minutes

Reproduce a fixed-width overflow on a narrow screen, locate the offending element and verify a repair without clipping the page.

4 min read
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Audit Contrast and Focus Paths Before You Ship

Measure contrast by number, run axe, and walk the keyboard focus path with a script to catch what the tool cannot see.

3 min read