increase size of preview to size of row

apps/files/css/files.css

@@ -118,7 +118,7 @@ table td.filename a.name {
 }
 table tr[data-type="dir"] td.filename a.name span.nametext {font-weight:bold; }
 table td.filename input.filename { width:100%; cursor:text; }
-table td.filename a, table td.login, table td.logout, table td.download, table td.upload, table td.create, table td.delete { padding:.2em .5em .5em 0; }
+table td.filename a, table td.login, table td.logout, table td.download, table td.upload, table td.create, table td.delete { padding:.2em .5em .5em .3em; }
 table td.filename .nametext, .uploadtext, .modified { float:left; padding:.3em 0; }
 .modified {
 	position: absolute;

lib/helper.php

@@ -231,7 +231,7 @@ class OC_Helper {
 	 * Returns the path to the preview of the file.
 	 */
 	public static function previewIcon($path) {
-		return self::linkToRoute( 'core_ajax_preview', array('x' => 32, 'y' => 32, 'file' => $path));
+		return self::linkToRoute( 'core_ajax_preview', array('x' => 44, 'y' => 44, 'file' => $path));
 	}
 
 	/**