.md-sidebar--primary .md-status {
  display: none;
}

@media screen and (min-width: 76.25em) {
  .md-sidebar--primary
    .md-nav__item--nested
    > .md-nav__toggle:not(:checked)
    ~ .md-nav {
    display: none;
  }

  .md-sidebar--primary
    .md-nav__item--nested
    > .md-nav__toggle:checked
    ~ .md-nav {
    display: block;
    opacity: 1;
  }
}