+/* Vertical spacing. */
+
+p { } /* Paragraph: Pp, Lp. */
+
+/* General font modes. */
+
+.lit { font-style: normal; font-weight: normal; } /* Literal: Dl, Li, Bf -literal, Bl -literal, Bl -unfilled. */
+.italic { font-style: italic; font-weight: normal; } /* Italic: BI, IB, I, (implicit). */
+.emph { font-style: italic; font-weight: normal; } /* Emphasis: Em, Bl -emphasis. */
+.bold { font-style: normal; font-weight: bold; } /* Bold: SB, BI, IB, BR, RB, B, (implicit). */
+.symb { font-style: normal; font-weight: bold; } /* Symbolic: Sy, Ms, Bf -symbolic. */
+.roman { font-style: normal; font-weight: normal; } /* Roman: (implicit). */
+.small { font-style: normal; font-weight: normal; font-size: smaller; } /* Small: SB, SM. */
+
+/* Context-specific modes. */
+
+span.addr { font-style: italic; font-weight: normal; } /* Address (Ad). */