fix styles and routes

code/frontend/src/pages/LoginAndSignUpPage.tsx

@@ -64,7 +64,7 @@ function LoginAndSignUpPage({ signupProp }: { signupProp: boolean }) {
         localStorage.setItem("refreshToken", refreshToken);
       }
       await setUserState();
-      navigate(returnTo, { replace: true });
+      navigate(returnTo);
     } catch (err: any) {
       if (err.response?.data) {
         setErrorMessages(err.response.data);
@@ -84,7 +84,7 @@ function LoginAndSignUpPage({ signupProp }: { signupProp: boolean }) {
       [name]: value,
     }));
   };
-  
+
   const theme = createTheme({
     breakpoints: {
       values: {
@@ -96,11 +96,13 @@ function LoginAndSignUpPage({ signupProp }: { signupProp: boolean }) {
       },
     },
   });
-  const matchDownMd = useMediaQuery(theme.breakpoints.down('sm'));
+  const matchDownMd = useMediaQuery(theme.breakpoints.down("sm"));
 
   return (
     <div className="background">
-      <div className={matchDownMd ? "login-login" : "login-login blue-background"}>
+      <div
+        className={matchDownMd ? "login-login" : "login-login blue-background"}
+      >
         <div className="login-part">
           <div className={signup ? "signup-image" : "login-image"}></div>
         </div>

code/frontend/src/pages/Profile.tsx

@@ -32,7 +32,7 @@ function Profile() {
       setUserData(response.data.data);
       return;
     } catch (error) {
-      navigate("/", { replace: true }); /* replace to 404 page */
+      navigate("/"); /* replace to 404 page */
       console.error("Error fetching user profile:", error);
       return null;
     }
@@ -40,8 +40,9 @@ function Profile() {
 
   const ownAccount = username === user?.username;
   useEffect(() => {
+    setUserData(null);
     userProfile();
-  }, []);
+  }, [username]);
 
   const setBio = (bio: string) => {
     setUserData((prevData) => {
@@ -66,7 +67,6 @@ function Profile() {
     }
   };
 
- 
   return (
     <StyledEngineProvider injectFirst>
       <div className="profile-display">

code/frontend/src/pages/postCreation.css

@@ -61,7 +61,7 @@
 .create-post-image{
     height: 40vh;
     width: 100%;
-    object-fit: cover;
+    object-fit: contain;
     overflow: hidden;
     max-width: 600px;
     display: block;