.app-header {
      display: none !important;
    }
    
    .app-footer {
      display: none !important;
    }

    .app-body {
      padding: 0 !important;
    }

    #content {
      margin: 0 !important;
      padding: 0 !important;
    }

    #aside {
      display: none !important;
    }