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Asked: 2026-06-19T00:49:50+00:00

I’m using this tool to validate a CSS file: http://jigsaw.w3.org/css-validator/ I have 23 errors

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I’m using this tool to validate a CSS file: http://jigsaw.w3.org/css-validator/

I have 23 errors in my CSS file and more than half look like this:

Line 46  #left_navigation    Parse Error ;*width: 175px;

The actual CSS looks like this:

#left_navigation {
    float: left;
    width: 165px;
    *width: 175px;
    margin:0px;
    padding:12px 5px 5px 5px;
}

The error is due to the asterisk setting the width. I didn’t put this here originally, but it’s clear that its needed to deal with some display problems in IE.

So my question is: do I care about these errors? Is there another/better way to be doing this? I can’t just take it off because bad things happen in IE when we do this.

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1 Answer

  1. Editorial Team

    If you wanna go for a valid CSS hack,
    the following allow you to include a solution without necessity to include the whole modernizr script or changing the HTML (pre-)header by adding IE conditional comments:

    * html #left_navigation { width: 175px; } for IE4-6 and

    *+html #left_navigation { width: 175px; } for IE7

    See http://en.wikipedia.org/wiki/CSS_filter#Star_hack

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