fix: remove frame in onboarding UI

src/routes/onboarding/index.js

@@ -22,17 +22,13 @@ export default function OnboardingPage() {
     <title>Rustchat Setup</title>
    </Helmet>
    <StyledOnboardingPage>
-    <div className="horizontalBox">
-     <div className="verticalBox">
-      {step === 0 && <WelcomeStep {...props} />}
-      {step === 1 && <ServerNameStep {...props} />}
-      {step === 2 && <AdminCredentialsStep {...props} />}
-      {step === 3 && <InviteRuleStep {...props} />}
-      {step === 4 && <InviteLinkStep {...props} />}
-      {step === 5 && <CompletedStep {...props} />}
-      {step === 6 && <Navigate replace to="/" />}
-     </div>
-    </div>
+    {step === 0 && <WelcomeStep {...props} />}
+    {step === 1 && <ServerNameStep {...props} />}
+    {step === 2 && <AdminCredentialsStep {...props} />}
+    {step === 3 && <InviteRuleStep {...props} />}
+    {step === 4 && <InviteLinkStep {...props} />}
+    {step === 5 && <CompletedStep {...props} />}
+    {step === 6 && <Navigate replace to="/" />}
    </StyledOnboardingPage>
   </>
  );

src/routes/onboarding/styled.js

@@ -4,21 +4,6 @@ const StyledOnboardingPage = styled.div`
  height: 100vh;
  overflow-y: auto;
 
- > .horizontalBox {
-  width: calc(100vw - 40px);
-  max-width: 860px;
-  margin: 0 auto;
-  padding: max(50vh - 340px, 50px) 0;
-
-  > .verticalBox {
-   position: relative;
-   height: 680px;
-   border: 1px solid #f2f4f7;
-   border-radius: 12px;
-   box-shadow: 0 4px 8px -2px rgba(16, 24, 40, 0.1), 0px 2px 4px -2px rgba(16, 24, 40, 0.06);
-  }
- }
-
  // shared with child components
  .primaryText,
  .secondaryText {