.wiki-content a, .wiki-content a:link, .wiki-content a:visited, .wiki-content a:focus, .wiki-content a:hover, .wiki-content a:active {
    text-decoration-line: underline;
    text-decoration-color: #CCCCCC;
}

#tinymce.wiki-content a, #tinymce.wiki-content a:link, #tinymce.wiki-content a:visited, #tinymce.wiki-content a:focus, #tinymce.wiki-content a:hover, #tinymce.wiki-content a:active {
    text-decoration-line: underline;
    text-decoration-color: #CCCCCC;
}