filter: progid:DXImageTransform.Microsoft.Alpha(style=1,opacity=80 ) not working in firefox

filter: progid:DXImageTransform.Microsoft.Alpha(style=1,opacity=80 ) opacity: 0.5; -moz-opacity: 0.5;

not开发者_StackOverflow working in firefox. How to solve this issue?

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Well, you forgot a ; after the ).

And opacity should be 0.8 to match 80 in the first rule.