sidebar top fix (#328)

Fixes sidebar cut-down top.

Author: gazdagergo

website/src/components/Sidebar.js

@@ -10,6 +10,7 @@ const Container = styled('div')`
   display: flex;
   flex-direction: column;
   border-right: 1px solid #e0e0e0;
+  min-height: 5em;
 `;
 
 const TitleArea = styled('div')`