Resolve "Styling"

Closes #188 (closed)

client/src/pages/views/OperatorViewPage.tsx

@@ -16,9 +16,9 @@ import {
   Typography,
 } from '@material-ui/core'
 import AssignmentIcon from '@material-ui/icons/Assignment'
-import BackspaceIcon from '@material-ui/icons/Backspace'
 import ChevronLeftIcon from '@material-ui/icons/ChevronLeft'
 import ChevronRightIcon from '@material-ui/icons/ChevronRight'
+import CloseIcon from '@material-ui/icons/Close'
 import FileCopyIcon from '@material-ui/icons/FileCopy'
 import LinkIcon from '@material-ui/icons/Link'
 import SupervisorAccountIcon from '@material-ui/icons/SupervisorAccount'
@@ -249,7 +249,7 @@ const OperatorViewPage: React.FC = () => {
       <OperatorHeader color="primary" position="fixed">
         <Tooltip title="Avsluta tävling" arrow>
           <OperatorQuitButton onClick={handleVerifyExit} variant="contained" color="secondary">
-            <BackspaceIcon fontSize="small" />
+            <CloseIcon fontSize="large" />
           </OperatorQuitButton>
         </Tooltip>