impress.css in mdpress-0.0.18

- old
+ new

@@ -213,6 +213,21 @@
 	margin-bottom: 10px;
 }
 
 .impress-supported .fallback-message {
 	display: none;
-}
\ No newline at end of file
+}
+
+sub, sup { 
+  font-size: 75%;
+  line-height: 0; 
+  position: relative; 
+  vertical-align: baseline; 
+}
+
+sup { 
+  top: -0.5em; 
+}
+
+sub { 
+  bottom: -0.25em; 
+}