mainpage_v2_flo/assets/css/screen_media_large.css

@media screen and (max-width: 1199px) {
    aside > #sidebar-menu {
    display: none;
    }
    
    .hamburger-menu {
    display: inline;
    }

    .main_with_sidebar {
    display:block;
    width: 100%; 
    margin: auto;
      }
  }

@media screen and (min-width: 1200px) {
  .hamburger-menu {
     display: none;
   }
   
 }