.sidenav {
  z-index: 200;
  background-color: transparent;
  width: 100vw;
  height: 100vh;
  position: fixed;
  left: -100vw;
  top: 0;
  transition: 0.25s;
}

.scrollable {
  overflow-x: hidden;
  overflow-y: scroll;
}

.sidenav.open {
  left: 0px;
}

.sidenav a, button{
  text-decoration: none;
  color: lightgray;
  margin-left: 20px;
  display: block;
}
.sidenav a:hover {
  color: white;
}
.sidenav nav {
  box-shadow: 0px 0px 15px 0px #000;
  height: 100vh;
  max-width: 250px;
  background-color: #1d1f31;
  padding-left: 20px;
  padding-right: 20px;
  padding-top: 20px;
  padding-bottom: 100px;
}

@media screen and (max-height: 450px) {
  .sidenav a {font-size: 18px;}
}