diff --git a/packages/ui-toolkit/src/styleguide/renderer.js b/packages/ui-toolkit/src/styleguide/renderer.js
index 61ed7720..ebebb0d5 100644
--- a/packages/ui-toolkit/src/styleguide/renderer.js
+++ b/packages/ui-toolkit/src/styleguide/renderer.js
@@ -10,6 +10,7 @@ import Parallax from './parallax';
 
 const Main = styled(Row)`
   padding-top: ${remcalc(24)};
+  width: 100%;
 `;
 
 const Sidebar = styled.div`