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Waarschuwing: Fout tijdens het parsen van waarde voor ‘letter-spacing’. Declaratie genegeerd. Bronbestand: http://www.i-golf.be/i/css/apex_3_1.css Regel: 1

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Waarschuwing: Onbekende eigenschap ‘zoom’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: Onbekende eigenschap ‘zoom’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: ‘*’ gevonden waar declaratie verwacht. Naar volgende declaratie gesprongen. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: Fout tijdens het parsen van waarde voor ‘filter’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/jqueryui/jqueryui-min.css?build=b2ab100 Regel: 1

Waarschuwing: Onbekende eigenschap ‘zoom’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: Onbekende eigenschap ‘zoom’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: ‘*’ gevonden waar declaratie verwacht. Naar volgende declaratie gesprongen. Bronbestand: http://support.mozilla.com/media/css/questions-min.css?build=b2ab100 Regel: 1 Waarschuwing: Fout tijdens het parsen van waarde voor ‘filter’. Declaratie genegeerd. Bronbestand: http://support.mozilla.com/media/css/jqueryui/jqueryui-min.css?build=b2ab100 Regel: 1

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You can ignore (CSS) errors in the Tools > Error Console.
Those errors are only useful if you develop websites and want to check the HTML/CSS and JavaScript code for errors.
Most errors are code for other browsers like IE or browsers on other platforms or just typos or the result of bad coding.


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Clear the cache and the cookies from sites that cause problems.

  • "Clear the Cache": Firefox > Preferences > Advanced > Network > Offline Storage (Cache): "Clear Now"
  • "Remove the Cookies" from sites causing problems: Firefox > Preferences > Privacy > Cookies: "Show Cookies"