Fix minori

assets/src/css/style.css

@@ -1202,9 +1202,8 @@ table.dataTable>tbody>tr.selected>th.select-checkbox::after {
     margin-top: -25px;
 }
 
-
-.label > input[type="checkbox"]{
-    margin: 4px;
+.btn-group>.btn-xs>input[type="checkbox"], .label>input[type="checkbox"] {
+    margin: 2px 0px;
 }
 
 .widget-user .widget-user-image>img {

src/HTMLBuilder/Manager/FileManager.php

@@ -216,7 +216,7 @@ class FileManager implements ManagerInterface
     if (!$options['readonly']) {
         $result .= '
         <button type="button" class="btn btn-xs btn-default">
-            <input class="pull-left" style="margin:2px 0px;"id="check_all_files" type="checkbox"/>
+            <input class="pull-left" id="check_all_files" type="checkbox"/>
         </button>';
     }
     $result .= '