diff --git a/links.html b/links.html
index 447a8a5..5072902 100644
--- a/links.html
+++ b/links.html
@@ -52,8 +52,11 @@ body { background: url("check.bmp"), gray; display: flex;
a:link { color: #122; text-decoration: none; }
a:visited { color: #122; }
a:hover { color: blue; }
+dd ul { margin-left: -8em; border-bottom: 1px dotted; margin-bottom: 1em;}
li:not(:last-child)::after { content: ","; }
li { display: inline; } ul,li { margin: 0; padding: 0;}
+dt.root { border-top: 4px double; margin-top: 1em; padding-top: 1em;
+ font: italic 1.25em/1.5 sans-serif;}
dt:not(.root) { float: left; width: 8em;}
dd { margin-left: 8em; }