Fix styles in supertypes/subtypes

Author: szymon-rd

scaladoc/resources/dotty_res/styles/theme/components/subtypes.css

@@ -11,6 +11,11 @@
   display: block;
 }
 
+.subtypes > div {
+  display: none;
+}
+
+
 .subtypes > div:nth-child(1),
 .subtypes > div:nth-child(2),
 .subtypes > div:nth-child(3),

scaladoc/resources/dotty_res/styles/theme/components/supertypes.css

@@ -15,11 +15,11 @@
   display: none;
 }
 
+.supertypes > div:nth-child(1),
 .supertypes > div:nth-child(2),
 .supertypes > div:nth-child(3),
 .supertypes > div:nth-child(4),
-.supertypes > div:nth-child(5),
-.supertypes > div:nth-child(6) {
+.supertypes > div:nth-child(5) {
   display: block;
 }