fix: add border to a.content-link

static/styles/twodsix.css

@@ -174,6 +174,13 @@ a.inline-roll i,
 a.content-link i {
   color: var(--s2d6-default-color);
 }
+a.content-link {
+  border-radius: 6px;
+  border-style: solid;
+  border-width: 1px;
+  padding: 2px;
+}
+
 table tr:nth-child(even) {
   background-color: var(--s2d6-light-background-transparent);
 }