Fix line height of applies-to

For some reason, smaller-than-100% text causes at least Firefox to use a
greater-than-100% line height. This causes different visual spacing of
search paths that use `:applies-to:` as compared to those that don't.
Fix by forcing 100% line height on the smaller text.

_static/cps.css

@@ -43,7 +43,7 @@ th { background-color: inherit; }
   white-space: normal;
 }
 
-.applies-to { font-size: 70%; color: #777; }
+.applies-to { font-size: 70%; color: #777; line-height: 1em; }
 
 .path { color: #641; }
 .glob { color: #b92; }