body {
  background-color: hsl(0, 0%, 97%);
}

@media (min-width: 1400px) {
  main,
  header,
  #main-navbar {
    padding-left: 240px;
  }
  .sidenav-btn-cst {
      display: none !important;
  }
}


@media (max-width:1400px) {

  .sidenav-btn-cst{
    display: block;
  }

  #main-sidenav{
    display: none;
  }

}