Adjusting the properties in these classes does not change the link styling for any of the folders within the explorer of the File Manager. From the naming of the classes, you would expect them to. Perhaps these classes are now redundant in the later versions of DotnetNuke?
A.FileManagerTreeNode:link, A.FileManagerTreeNodeSelected:link
A.FileManagerTreeNode:link, A.FileManagerTreeNodeSelected:link {
text-decoration: none;
color: #003366;
}
A.FileManagerTreeNode:visited, A.FileManagerTreeNodeSelected:visited
A.FileManagerTreeNode:visited, A.FileManagerTreeNodeSelected:visited {
text-decoration: none;
color: #003366;
}
A.FileManagerTreeNode:active, A.FileManagerTreeNodeSelected:active
A.FileManagerTreeNode:active, A.FileManagerTreeNodeSelected:active {
text-decoration: none;
color: #003366;
}
A.FileManagerTreeNode:hover, A.FileManagerTreeNodeSelected:hover
A.FileManagerTreeNode:hover, A.FileManagerTreeNodeSelected:hover {
text-decoration: none;
color: #ff0000;
}