.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #212b31;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidenav a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 18px;
  color: #999999;
  display: block;
  transition: 0.3s;
}

.sidenav a:hover {
  color: #f1f1f1;
}

.sidenav .closebtn {
  position: absolute;
  top: 0;
  right: 15px;
  font-size: 36px;
  margin-left: 50px;
}

.sidenav .nav-item.nav-item-selected {
  color: #50afc0;
}

/* medium */
@media (max-width: 768px) and (min-width: 569px) {
  .sidenav a {
    font-size: 18px;
  }
}