.sidebar-nav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  background-color: $sidebar-background;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidebar-nav a {
  padding: 8px;
  text-decoration: none;
  color: $sidebar-text-color;
  font-size: 25px;
  display: block;
  transition: 0.3s;
}

.sidebar-table {
  padding: 0 26px;
}

.sidebar-tr {
  white-space: nowrap;
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  color: $primary;
  font-size: 25px;
  transition: 0.3s;
}

.sidebar-icon {
  color: $sidebar-text-color;
}

.sidebar-td {
  padding: 7px 0;
}

@media screen and (max-height: 450px) {
  .sidebar-nav {
    padding-top: 15px;
  }

  .sidebar-nav a {
    font-size: 18px;
  }
}

#nav-btn {
  width: 60px;
  height: 35px;
  position: fixed;
  right: 25px;
  top: 25px;
  margin: 0;
  z-index: 2;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.5s ease-in-out;
  -moz-transition: 0.5s ease-in-out;
  -o-transition: 0.5s ease-in-out;
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

#nav-btn span {
  display: block;
  position: absolute;
  height: 5px;
  width: 100%;
  background-color: $primary;
  border-radius: 5px;
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.25s ease-in-out;
  -moz-transition: 0.25s ease-in-out;
  -o-transition: 0.25s ease-in-out;
  transition: 0.25s ease-in-out;
}

#nav-btn span:nth-child(1) {
  top: 0px;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-btn span:nth-child(2) {
  top: 15px;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-btn span:nth-child(3) {
  top: 30px;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-btn.open span {
  background-color: $primary;
}

#nav-btn.open span:nth-child(1) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  top: -3px;
  left: 8px;
}

#nav-btn.open span:nth-child(2) {
  width: 0%;
  opacity: 0;
}

#nav-btn.open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  top: 39px;
  left: 8px;
}

@media (prefers-reduced-motion: reduce) {
  #nav-btn, #nav-btn span, .sidebar-nav {
    -webkit-transition: 0;
    -moz-transition: 0;
    -o-transition: 0;
    transition: 0;
  }
}