Update

resources/views/errors/generic-error.blade.php

@@ -2,7 +2,7 @@
 @section('title', 'Error 401: Unauthorized User!')
 @section('content')
     <h1>{{ $error }}</h1>
-    <hr/>
+    <hr>
     @if(isset($description))
         <p>{{ $description }}</p>
     @endif

resources/views/errors/guestbook-ipban.blade.php

@@ -2,11 +2,11 @@
 @section('title', 'Error 403: IP Blocked!')
 @section('content')
     <h1>Error 403: IP Blocked!</h1>
-    <hr/>
+    <hr>
     <p>Your IP has been banned from submitting to the guestbook.</p>
     @if (isset($reason))
         <p><b>Reason:</b> {{ $reason }}</p>
     @endif
-    <br/>
+    <br>
     Click <a href="/guestbook">here</a> to go back to the guestbook.
 @stop

resources/views/errors/guestbook-ratelimit.blade.php

@@ -2,9 +2,9 @@
 @section('title', 'Error 429: Overclocking Detected!')
 @section('content')
     <h1>Error 429: Overclocking Detected!</h1>
-    <hr/>
+    <hr>
     <p>Whoa there! Your submissions are going at warp speed.</p>
     <p>Remember you can only submit an entry <u>once every hour</u>!</p>
-    <br/>
+    <br>
     Click <a href="/guestbook">here</a> to go back to the guestbook.
 @stop

resources/views/errors/no-auth.blade.php

@@ -2,7 +2,7 @@
 @section('title', 'Error 401: Unauthorized User!')
 @section('content')
     <h1>Error 401: Unauthorized User!</h1>
-    <hr/>
+    <hr>
     <p>Woah there! Only authorized users can access this page. Please <a href="/login">log in</a> to proceed.</p>
     <p>Ended up here on accident? Click <a href="/">here</a> to return to the homepage</u>!</p>
 @stop