Fix margin on snippet pre

Author: nicolasfont

packages/visual-stack-docs/src/components/Demo/styles.css

@@ -1,7 +1,15 @@
+.snippet pre {
+  margin: 0;
+}
+
 .margin-top-snippet {
   margin-top: 10px;
 }
 
+.margin-top-snippet pre {
+  margin: 0 0 1.6rem;
+}
+
 .inline-snippet {
   margin: 0;
 }

packages/visual-stack-docs/src/containers/Components/Docs/box.js

@@ -137,7 +137,7 @@ export default () => {
                       <Td>expand</Td>
                       <Td>
                         Expands the box along the main axis (direction axis) to
-                        fill available space (sets flex to 1).
+                        fill available space. (Sets flex to 1.)
                       </Td>
                       <Td>true | false</Td>
                       <Td>false</Td>