using mathematical calculations to determine opacity levels in a set of rules

I'm attempting to multiply opacity values. I have experimented with the following: calc(@opacity * 100)

@opacity-ruleset {
filter:alpha(opacity= (@opacity * 100));
-moz-opacity:@opacity;
opacity: @opacity;
-webkit-opacity: @opacity;
}

Is there a way to properly execute this calculation?

Answer №1

Many of the special hacks in Internet Explorer do not adhere to the standard CSS syntax, making it difficult for Less to properly interpret them. This is why escaping is often necessary. For example:

@opacity: .2;

foo {
    @ms-opacity: @opacity * 100;
    filter: ~'alpha(opacity=@{ms-opacity})';
    opacity: @opacity;
}

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