Tweak css for inline code blocks in sidebar

src/theme/book.css

@@ -40,6 +40,9 @@ h3 {
     left: -300px;
   }
 }
+.sidebar code {
+  line-height: 2em;
+}
 .sidebar-hidden .sidebar {
   left: -300px;
 }

src/theme/stylus/sidebar.styl

@@ -18,6 +18,10 @@
     @media only screen and (max-width: 1060px) {
         left: - $sidebar-width
     }
+
+    code {
+        line-height: 2em;
+    }
 }
 
 .sidebar-hidden .sidebar {