← CodePrimer
HTML
Beginner
Basics
Charset and viewport meta
Why does mobile layout look wrong?
Essential head meta tags.
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>My site</title>Notes
Required for responsive CSS on phones.
Keywords: meta · viewport · charset · mobile
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How do I mix PHP and HTML?
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Paragraphs and line breaks
How do I break text into paragraphs?
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CSS box model
Why is my element wider than expected?
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PHP comments
How do I write comments in PHP?