Update error pages, remove google nunito font from framework error pages

resources/views/errors/403.blade.php

@@ -4,8 +4,9 @@
 <div class="container">
   <div class="error-page py-5 my-5">
     <div class="card mx-5">
-      <div class="card-body p-5">
-        <h1 class="text-center">403 – Forbidden</h1>
+      <div class="card-body p-5 text-center">
+        <h1 class="mb-0">403 – Forbidden</h1>
+        <p class="mb-0 text-muted lead">You do not have permission to view this page.</p>
       </div>
     </div>
   </div>

resources/views/errors/404.blade.php

@@ -5,7 +5,7 @@
   <div class="error-page py-5 my-5">
     <div class="card mx-5">
       <div class="card-body p-5 text-center">
-        <h1 class="text-center">404 – Page Not Found</h1>
+        <h1>Page Not Found</h1>
         <img src="/img/fred1.gif" class="img-fluid">
       </div>
     </div>

resources/views/errors/500.blade.php

@@ -0,0 +1,15 @@
+@extends('layouts.app')
+
+@section('content')
+<div class="container">
+  <div class="error-page py-5 my-5">
+    <div class="card mx-5">
+      <div class="card-body p-5 text-center">
+        <h1>Whoops! Something went wrong.</h1>
+        <p class="mb-0 text-muted lead">Please try again, if this error keeps happening please contact an admin.</p>
+        <img src="/img/fred1.gif" class="img-fluid">
+      </div>
+    </div>
+  </div>
+</div>
+@endsection

resources/views/errors/503.blade.php

@@ -5,8 +5,9 @@
   <div class="error-page py-5 my-5">
     <div class="card mx-5">
       <div class="card-body p-5 text-center">
-        <h1>503 – Service Unavailable</h1>
-        <p class="lead mb-0">Our services are overloaded at the moment, please try again later.</p>
+        <h1>Service Unavailable</h1>
+        <p class="mb-0 text-muted lead">Our services are in maintenance mode, please try again later.</p>
+        <img src="/img/fred1.gif" class="img-fluid">
       </div>
     </div>
   </div>