css - Can I change the appearance of an html image during hover without a second image? -

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is there way change appearance of icon (ie. contrast / luminosity) when hover cursor, without requiring second image file (or without requiring hidden portion of image)?

here's information image opacity , transparency css.

so make image opacity 50%, you'd this:

<img src="image.png" style="opacity: 0.5; filter: alpha(opacity=50)" />

the opacity: part how firefox it, , it's value between 0.0 , 1.0. filter: how ie it, , it's value 0 100.


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