Validators

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• Validators

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Validators

Suppose you wrote: @@media only screen and (min-width : 480px) {}. You should have had only one @ symbol before a media query. Yet this is the kind of error that is easy to overlook. A misplaced curley brace or missing semicolon can also cause serious problems, yet be easy to overlook.

The cure is to run your CSS through a validator. It would have found this error for you.

• Validators typically support at least two modes:
  • One involves checking a URL from a site on the Internet.
  • If your site is on your home machine, or on an Intranet, then you can't pass in a URL. Instead you have to paste in your code.