.sidenav {
  height: 100%;
  overflow:hidden;
  width: 0;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  background-color: #ffffff;
  overflow-x: hidden;
  transition: 0.5s;
  /*padding-top: 60px;*/
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

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

.sidenav .closebtn {
  display: block;
  padding-bottom: 25px;
  padding-right: 20px;
  text-align: right;
  font-size: 36px;
}

@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}
}