feat(V5): Update settings pages UI (#13396)

# Pull Request Template

## Description

This PR updates settings page UI


## Type of change

- [x] New feature (non-breaking change which adds functionality)


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

app/javascript/dashboard/components-next/Campaigns/CampaignLayout.vue

@@ -21,10 +21,10 @@ const handleButtonClick = () => {
 
 <template>
   <section class="flex flex-col w-full h-full overflow-hidden bg-n-surface-1">
-    <header class="sticky top-0 z-10 px-6 lg:px-0">
-      <div class="w-full max-w-[60rem] mx-auto">
+    <header class="sticky top-0 z-10 px-6">
+      <div class="w-full max-w-5xl mx-auto">
         <div class="flex items-center justify-between w-full h-20 gap-2">
-          <span class="text-xl font-medium text-n-slate-12">
+          <span class="text-heading-1 text-n-slate-12">
             {{ headerTitle }}
           </span>
           <div
@@ -43,8 +43,8 @@ const handleButtonClick = () => {
         </div>
       </div>
     </header>
-    <main class="flex-1 px-6 overflow-y-auto lg:px-0">
-      <div class="w-full max-w-[60rem] mx-auto py-4">
+    <main class="flex-1 px-6 overflow-y-auto">
+      <div class="w-full max-w-5xl mx-auto py-4">
         <slot name="default" />
       </div>
     </main>