diff --git a/htdocs/cashdesk/index.php b/htdocs/cashdesk/index.php
index 94b3e4445f7..57dc1cbb394 100644
--- a/htdocs/cashdesk/index.php
+++ b/htdocs/cashdesk/index.php
@@ -96,11 +96,11 @@ else
 
 	<tr>
 		<td class="label1"><?php echo $langs->trans("Login"); ?></td>
-		<td><input name="txtUsername" class="texte_login" type="text" value="<?php echo $usertxt; ?>" /></td>
+		<td><input name="txtUsername" class="texte_login maxwidth150onsmartphoneimp" type="text" value="<?php echo $usertxt; ?>" /></td>
 	</tr>
 	<tr>
 		<td class="label1"><?php echo $langs->trans("Password"); ?></td>
-		<td><input name="pwdPassword" class="texte_login" type="password" value="" /></td>
+		<td><input name="pwdPassword" class="texte_login maxwidth150onsmartphoneimp" type="password" value="" /></td>
 	</tr>
 
 <?php
diff --git a/htdocs/theme/eldy/global.inc.php b/htdocs/theme/eldy/global.inc.php
index c3ddd4ff7e2..46d24b08cc6 100644
--- a/htdocs/theme/eldy/global.inc.php
+++ b/htdocs/theme/eldy/global.inc.php
@@ -889,6 +889,7 @@ select.selectarrowonleft option {
     .maxwidth75onsmartphone { max-width: 50px; }
     .maxwidth100onsmartphone { max-width: 70px; }
     .maxwidth150onsmartphone { max-width: 120px; }
+    .maxwidth150onsmartphoneimp { max-width: 120px !important; }
     .maxwidth200onsmartphone { max-width: 200px; }
     .maxwidth300onsmartphone { max-width: 300px; }
     .maxwidth400onsmartphone { max-width: 400px; }
diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index ee0515da6fe..a9e94eb885c 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -1079,6 +1079,7 @@ select.selectarrowonleft option {
     .maxwidth75onsmartphone { max-width: 50px; }
     .maxwidth100onsmartphone { max-width: 70px; }
     .maxwidth150onsmartphone { max-width: 120px; }
+    .maxwidth150onsmartphoneimp { max-width: 120px !important; }
     .maxwidth200onsmartphone { max-width: 200px; }
     .maxwidth300onsmartphone { max-width: 300px; }
     .maxwidth400onsmartphone { max-width: 400px; }