I am getting 2 error messages when I run my .css file through W3C and do not understand what is wrong. Does anyone have any suggestions.
Here is the error message:
117 img.floatright Parse Error opacity=70)
79 Property -moz-border-radius is an unknown vendor extension
Corresponding line on my .css are:
79: -moz-border-radius: 10px 10px 0px 0px;
117: filter:alpha(opacity=70);
Properties starting with -
are vendor prefix properties. They are used to experimental features which might become standard (without the -moz-
, -webkit-
, etc) in the future. They are not valid. border-radius
has become standard and Firefox no longer supports -moz-border-radius
as it has moved to the standard.
filter
is a proprietary extension to CSS invented by Microsoft and used in older versions of Internet Explorer. It is not valid.
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