.sidenav {
  background-color: #fff;
  padding-bottom: 50px;
  position: fixed;
  overflow-y: hidden;
}

.sidenav li a {
  padding: 8px 8px 20px 32px;
  /* text-decoration: none; */
  font-size: 19px;
  color: #191a20;
  display: block;
  transition: 0.3s;
}

.sidenav li a:hover {
  color: #aaa;
}

.sidenav li a:active {
  color: blue;
}

@media (max-width: 1200px) {
  .sidenav {
    display: none;
  }
}