The HTML/CSS generated by AI doesn't work? Hallucinations and how to verify code

I asked the AI to 'write CSS to center text,' but nothing changed when I pasted it. The explanation sounds natural, but I can ...

Why isn't my CSS working? Understanding specificity and the override mechanism

I added CSS, but the text color and margins didn't change.It worked when I rewrote the same specification at the bottom of ...
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Fancy Input adds CSS3 text effects to input fields — a gimmick or a chance to delight?

Fancy Input is an experimental jQuery plugin that utilizes CSS3 effects in an unexpected place: text input fields. Created by developer Yair Even-Or, this project is worth a look for any designer ...