no artificial max width

resources/app/stylesheets/app.less

@@ -68,11 +68,9 @@ img, svg {
     grid-template-columns: 20% 70% 10%;
     grid-template-areas:
     "header header header"
-        // "nav    main   sidebar"
         "nav main main"
         "footer footer footer";
     margin: auto;
-    max-width: 1500px;
 
     header {
         grid-area: header;