@media (max-width: 767px) {
  #sidebar2 {
    display: block;
  }
  #sidebar {
    display: none;
  }
    /* show the button on small screens */
  #menu-button {
    display: inline-block;
  }

}

#sidebar2 div.moduletable {
  margin-bottom: 10px;
}

@media (min-width: 767px) {
  #menu-button {
    display: none;
  }

  #myclosebtn {
    display: none;
  }
}