diff --git a/templates/registro_iva/piece.php b/templates/registro_iva/piece.php
index 392347139..efe573493 100644
--- a/templates/registro_iva/piece.php
+++ b/templates/registro_iva/piece.php
@@ -2,22 +2,33 @@
 
 include_once __DIR__.'/../../core.php';
 
-echo '
-        <tr>';
-
 $previous_number = $previous_number ?: null;
+
+if ($record['numero'] != $previous_number) {
+        if ($color == '#dddddd') {
+                $color = '#ffffff';
+        }
+        else if ($color == '#ffffff') {
+                $color = '#dddddd';
+        }
+}
+
+echo '
+        <tr bgcolor="'.$color.'" >';
+
 if ($record['numero'] == $previous_number) {
     echo '
             <td></td>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td></td>';
 } else {
     echo '
             <td>'.(($dir == 'uscita') ? $record['numero'] : '-').'</td>
             <td>'.$record['numero_esterno'].'</td>
-            <td>'.Translator::numbertoLocale($record['data']).'</td>
+            <td>'.Translator::datetoLocale($record['data']).'</td>
             <td>'.$record['codice_tipo_documento_fe'].'</td>
             <td>'.$record['codice_anagrafica'].' / '.tr($record['ragione_sociale'], [], ['upper' => true]).'</td>
             <td>'.moneyFormat($record['totale']).'</td>';
diff --git a/templates/registro_iva/top.php b/templates/registro_iva/top.php
index 888e00999..5aa637279 100644
--- a/templates/registro_iva/top.php
+++ b/templates/registro_iva/top.php
@@ -22,18 +22,20 @@ if ('entrata' == $dir) {
 }
 
 $tipo = $dir == 'entrata' ? tr('Cliente') : tr('Fornitore');
+$i = 0;
+$color = '#dddddd';
 
 echo '<h4><b>'.$titolo.'</b></h4>
 
-<table class="table">
+<table class="table table-condensed" border="0">
     <thead>
-        <tr bgcolor="#dddddd">
-            <th>'.tr('N<sup>o</sup> prot.').'</th>
-            <th>'.tr('N<sup>o</sup> doc.').'</th>
+        <tr bgcolor="'.$color.'">
+            <th>'.tr('Prot.').'</th>
+            <th>'.tr('N<sup>o</sup>&nbsp;doc.').'</th>
             <th>'.tr('Data').'</th>
             <th>'.tr('Tipo').'</th>
             <th>'.$tipo.'</th>
-            <th>'.tr('Tot doc.').'</th>
+            <th>'.tr('Tot.&nbsp;doc.').'</th>
             <th>'.tr('Imponibile').'</th>
             <th>%</th>
             <th>'.tr('Iva').'</th>