fix : delete menu border-right

app/code/Joshine/Category/Block/Html/Topmenu.php

@@ -201,7 +201,7 @@ class Topmenu extends JoshineMenu
 
         $sumMenuColumnsTotal = $child->getSubmenuColumnsTotal();
         $columns = $sumMenuColumnsTotal ?? "11" ;
-        if (intval($columns) > 12) {
+        if (intval($columns) >= 12) {
             $columns = "11";
         }
         if ($childLevel == 0) {

app/design/frontend/Joshine/breeze/Magento_Theme/templates/html/topmenu.phtml

@@ -188,6 +188,9 @@
         #joshine-navigation span.ui-menu-icon-3.ui-icon-3:before {
             border-right-color: #df0e0e !important;
         }
+        .navigation li.level0 .submenu li.level1{
+            border-right: 0 !important;
+        }
     }
 </style>
 

app/design/frontend/Joshine/breeze/web/css/_custom.less

@@ -1360,7 +1360,9 @@ footer{
       float: left;
     }
     .navigation li.level0 .submenu li.level1{
+      /*
       border-right: 1px solid #e1e1e1;
+      */
       padding: 0 6px;
     }