a:visited links - opacity not working

问题

I'm trying to make it so that when a link has been visited, it is persistently a certain color AND a certain opacity that matches non-visited links when WebKit fully transitions them.

Using this:

a:visited {
    color:#cc7839;
    opacity:0.1;
}

I can get the visited links to always be that color, except opacity isn't doing anything. I set it to 0.1 to make it easier to see if it was working.

When I hover over a visited link, it transitions to the opaque color set by WebKit for a:link:hover.

Here's the CSS that's in another file for setting all links:

a:link:hover,a:hover,a:visited:hover {
    color: #cc7839;
    opacity:0.8;
    text-decoration:none;
    -webkit-transition:all 0.5s ease-in; 
    -moz-transition:all 0.5s ease-in;
}

I'm thinking I have to change something with the latter CSS in terms of which a elements it specifies?

回答1:

Not possible. You can only use the :visited selector to change the color of an element. Thus opacity doesn't work.

SEC7115

:visited and :link styles can only differ by color.

Reference here - Was unable to find W3 documentation stating it..

来源：https://stackoverflow.com/questions/19215684/avisited-links-opacity-not-working