.menu-toggle {
  width: 40px;
  height: 30px;
  position: fixed;
  top: 20px;
  right: 15px;
  cursor: pointer;
  z-index: 99999999;
}
.menu-toggle.on .one {
  -moz-transform: rotate(45deg) translate(7px, 7px);
  -ms-transform: rotate(45deg) translate(7px, 7px);
  -webkit-transform: rotate(45deg) translate(7px, 7px);
  transform: rotate(45deg) translate(7px, 7px);
}
.menu-toggle.on .two {
  opacity: 0;
}
.menu-toggle.on .three {
  -moz-transform: rotate(-45deg) translate(8px, -10px);
  -ms-transform: rotate(-45deg) translate(8px, -10px);
  -webkit-transform: rotate(-45deg) translate(8px, -10px);
  transform: rotate(-45deg) translate(8px, -10px);
}

.one,
.two,
.three {
  width: 100%;
  height: 5px;
  background: white;
  margin: 6px auto;
  backface-visibility: hidden;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}

nav ul {
  margin: 0;
  padding: 0;
  font-family: bpgle;
  list-style: none;
  margin: 4em auto;
  text-align: center;
}
nav ul.hidden {
  display: none;
}
nav ul a {
  -moz-transition-duration: 0.5s;
  -o-transition-duration: 0.5s;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  text-decoration: none;
  color: white;
  font-size: 3em;
  line-height: 1.5;
  width: 100%;
  display: block;
}
nav ul a:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.menu-section.on {
  z-index: 99999999;
  overflow-y: scroll;
  width: 100%;
  height: 100%;
  display: block;
  background-color: #0b1e3c;
  position: fixed;
}