[IMP] point_of_sale: styling improvements for the password popup

addons/point_of_sale/static/src/css/pos.css

@@ -1995,6 +1995,10 @@ td {
     border-color: #444;
 }
 
+.pos .popup.popup-password {
+    width: 238px;
+    margin-left: -119px;
+}
 .pos .popup-password .mode-button.add,
 .pos .popup-password .input-button.dot {
     display: none;
@@ -2003,6 +2007,7 @@ td {
     width: 182px;
 }
 .pos .popup-password .popup-input {
+    width: 70%;
     -webkit-text-security: disc;
  }