fix: add new question button

src/pages/Questions/QuestionsPage.tsx

@@ -44,11 +44,10 @@ export default function QuestionsPage() {
   };
 
   const theme = useTheme();
-    const isTablet = useMediaQuery(theme.breakpoints.up(1000));
+  const isMobile = useMediaQuery(theme.breakpoints.down(660));
 
   return (
     <>
-      {/* <Stepper activeStep={activeStep} desc={"Задайте вопросы"} /> */}
       <Box
         sx={{
           maxWidth: "796px",
@@ -85,10 +84,15 @@ export default function QuestionsPage() {
           onClick={() => {
             createQuestion(quizId);
           }}
+          sx={{
+            position: "fixed",
+            left: isMobile ? "20px" : "250px",
+            bottom: "20px",
+          }}
         >
           <AddPlus />
         </IconButton>
-        <Box sx={{ display: "flex", gap: "8px" }}>
+        <Box sx={{ display: "flex", gap: "8px", marginLeft: "auto" }}>
           <Button
             variant="outlined"
             sx={{ padding: "10px 20px", borderRadius: "8px", height: "44px" }}