FIX: fix insanely low file previews

resources/assets/admin/css/custom.css

@@ -329,7 +329,7 @@ img {
 
 .card.file-preview .card-block {
 	padding: 0;
-	height: 6em;
+	height: 9em;
 	overflow: hidden;
 }
 

resources/views/admin/fileManager/filesTiles.blade.php

@@ -1,5 +1,5 @@
 @forelse($files as $file)
-    <div class="col-sm-4 col-md-3 text-center">
+    <div class="{{$responsiveClass or 'col-sm-4 col-md-3'}} text-center">
         @include('admin.snippets.card', [
         'body' => '<a href="'.route('upload.detail', ['id' => $file->id]).'">'.\App\CMS\Helpers\FileManager::getPreview($file).'</a>',
         'footerClass' => 'text-right',