style fix

app/components/SubmissionHeader.jsx

@@ -21,7 +21,7 @@ const ManuscriptHead = styled.div`
     }
   }
   @media screen and (min-width: 871px) {
-    & + * {
+    & + .withHeader {
       height: calc(100% - (${th('gridUnit')} * 20.125));
     }
   }

app/components/submission-wizard/CreatePage.jsx

@@ -209,7 +209,7 @@ class Created extends React.Component {
         ? teams.find(team => team.role === 'submitter').teamMembers[0]
         : null
     return (
-      <SplitPage>
+      <SplitPage className="withHeader">
         <StepPanel>
           <div>
             <CreatePageHeader currentStep={currentStep} />

app/components/ui/atoms/PreviewPage.jsx

@@ -6,7 +6,7 @@ export const PreviewPage = styled.div`
   flex-direction: row;
   justify-content: center;
   align-items: stretch;
-  height: calc(100% - (${th('gridUnit')} * 12));
+  height: calc(100% - (${th('gridUnit')} * 20.125));
   background-color: ${th('colorBackground')};
 
   @media screen and (max-width: 870px) {