html - Can I add a class to a link -

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all want add class link, change color of linked text. possible? isn't working me:

<a href="mailto:xyz.co.uk" class="black_link">xyz.co.uk</a>  .black_link a:link { color:black;} .black_link a:visited { color:black;} .black_link a:hover { color:pink;} .black_link a:active { color:pink; }

thanks

if targeting <a> tag globally use

a:link { color:blue;}  a:visited { color:black;}  a:hover { color:pink;}  a:active { color:pink;}

if using class in <a> tag can in 2 ways.

1st    a.black_link:link { color:blue;}     a.black_link:visited { color:black;}   2nd   .black_link:link{color:blue;}   .black_link:visited{color:pink;}

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