Opacity filter malfunctioning

It seems that the filter: opacity property is not functioning as expected in IE8. Despite having used it successfully before, I am currently facing issues with its implementation. Strangely enough, Firebug does not display the filter rule at all; only normal opacity is shown.

Does anyone have any insights or suggestions on how to resolve this?

ul.products-grid img:hover {

    opacity: .8;
    filter:alpha(opacity=80);
}

Answer №1

the style code is

filter:progid:DXImageTransform.Microsoft.Alpha(opacity=80);

give it a go

Answer №2

If using IE8, it is important to include the following code:

-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";

For additional information on achieving cross-browser opacity, you can visit this resource

Answer №3

Give this a shot:

ul.products-grid img:hover {
    opacity: .8; /* For modern browsers */
    filter:alpha(opacity=80); /* For IE 7 and older versions */
    /* The following lines are for IE8 */
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";
    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=80);
}

If you aim to maintain validity on your page, ensure to separate your standard stylesheet from the IE version using an if IE statement as shown below:

<!--[if IE]>
<link rel="stylesheet" type="text/css"  href="stylesheetname.css" />
<![endif]-->

Answer №4

Make sure to verify whether your webpage is displaying in quirks mode on Internet Explorer. It's possible that IE8 might not fully support the :hover pseudo class on random elements unless it's in standard compliance mode.

You can find a related scenario and explanation here.

Answer №5

Your CSS is functioning properly. You can view the demonstration here: http://jsfiddle.net/e26Pz/2/

The issue may lie with the DOC type. In the provided example, I utilized <!DOCTYPE html>

Which Doc type are you currently utilizing?

Complete demo code

<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title> - jsFiddle demo</title>
  <style type='text/css'>
    img:hover {    
       opacity: 0.4;
       filter:alpha(opacity=40);
    }
  </style>

</head>
<body>
     <img src="https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn1/69651_408104205949356_2097957740_n.jpg" />      
</body>   
</html>

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