style fix

app/components/submission-wizard/SubmitComplete.jsx

@@ -25,7 +25,7 @@ const SubmitComplete = ({ currentUser, cancel, manuscript, history }) => {
   const done = states.indexOf('xml-complete')
   const sent = states.indexOf('ncbi-ready')
   return (
-    <Page>
+    <Page withHeader>
       <H1>Thank you for your submission</H1>
       <p>
         {`Your submission is `}

app/components/ui/atoms/Page.jsx

@@ -4,7 +4,9 @@ import { th, override } from '@pubsweet/ui-toolkit'
 const Page = styled.div`
   margin: 0 auto;
   max-width: 1000px;
-  min-height: calc(100vh - (${th('gridUnit')} * 20));
+  min-height: calc(
+    100vh - (${th('gridUnit')} * ${props => (props.withHeader ? '28' : '20')})
+  );
   padding: ${th('gridUnit')} calc(${th('gridUnit')} * 4)
     calc(${th('gridUnit')} * 4);
   box-sizing: border-box;