Design and file upload issues (#399)

* Fix some styling issues/edit button on PIREP overview page

* Fix validation for file/url upload

* Formatting

resources/views/layouts/default/widgets/latest_news.blade.php

@@ -2,7 +2,7 @@
     @lang('widgets.latestnews.news')
 </div>
 <div class="card border-blue-bottom">
-    <div class="card-block" style="min-height: 0px">
+    <div class="card-body" style="min-height: 0px">
         @if($news->count() === 0)
             <div class="text-center text-muted" style="padding: 30px;">
                 @lang('widgets.latestnews.nonewsfound')