.nav {
  visibility: hidden;
  z-index: 10001;
  transition-duration: 0.3s;
  position: fixed;
  left: -240px;
  top: 0;
  bottom: 0;
  padding: 30px 0;
  width: 240px;
  max-width: 100%;
  overflow-y: auto;
  background-color: #ffffff;
  box-shadow: 0 5px 5px 0 rgba(0, 0, 0, 0.2);
  opacity: 0;
}
.nav__item {
  transition-duration: 0.1s;
  font-weight: 500;
  display: block;
  padding: 10px 10px;
  font-size: 18px;
  line-height: 20px;
}
.nav__item_active {
  background-color: #f2f2f2;
  border-right: 3px solid #006464;
  box-shadow: inset 0 0 2px 0 rgba(0, 0, 0, 0.2);
}
.nav__item:hover {
  cursor: pointer;
  color: #ffffff;
  background-color: #006464;
}
.js-mobile-menu-toggle {
  cursor: pointer;
  padding: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #272727;
}
.js-mobile-menu-toggle i:before {
  padding-right: 10px;
}
#js-mobile-menu-toggle {
  display: none;
}
#js-mobile-menu-toggle:checked ~ .nav,
#js-mobile-menu-toggle:checked .nav {
  left: 0;
  opacity: 1;
  visibility: visible;
}