Fix styling of username

Author: CompuIves

packages/app/src/app/pages/common/UserMenu/elements.js

@@ -33,6 +33,6 @@ export const Username = styled.div`
     return props.theme.light
       ? 'rgba(0, 0, 0, 0.6)'
       : 'rgba(255, 255, 255, 0.6)';
-  }}
+  }};
   font-size: ${props => (props.main ? 1 : 0.875)}em;
 `;