nav.menu{
  position: fixed;
  top: -22px;
  left: 0;
  width: 2.0rem;
  height: 111px;
  z-index: 999;
}
nav .nav-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 1.25rem 0.625rem;

  background-color: rgba(200,225,250,0.5);
  box-shadow: 0 0 1.25rem rgba(0, 0, 0, 0.2);

  opacity:0.9;
}
nav .nav-wrap .hamburger {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 3.125rem;
  cursor: pointer;
}
nav .nav-wrap .hamburger span {
  position: relative;
  display: block;
  width: 100%;
  height: 0.125rem;
  background-color: #3498db;
}
nav .nav-wrap .hamburger span:before, nav .nav-wrap .hamburger span:after {
  position: absolute;
  content: '';
  width: 100%;
  height: 0.125rem;
  background-color: #3498db;
}
nav .nav-wrap .hamburger span:before {
  transform: translateY(-0.375rem);
  animation: burger1 250ms linear;
}
nav .nav-wrap .hamburger span:after {
  transform: translateY(0.375rem);
  animation: burger2 250ms linear;
}
@keyframes burger1 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-5px) rotate(0deg);
  }
}
@keyframes burger2 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(5px) rotate(0deg);
  }
}
nav .nav-wrap .menu-bg {
  position: fixed;
  top: 0;
  left: -3.125rem;
  width: 0%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  z-index: -1;
}
nav .nav-wrap .menu-bg a {
  position: relative;
  display: flex;
  align-items: center;
  width: 0%;
  height: 25vh;
  margin: 0;
  background-color: rgba(200, 200, 200, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
  transition: width 0.75s ease;
  color: white;
  font-size: 2.25rem;
  font-weight: bold;
  text-decoration: none;
}
nav .nav-wrap .menu-bg a:nth-of-type(2) {
  transition-delay: 0.5625s;
}
nav .nav-wrap .menu-bg a:nth-of-type(3) {
  transition-delay: 0.375s;
}
nav .nav-wrap .menu-bg a:nth-of-type(4) {
  transition-delay: 0.1875s;
}
nav .nav-wrap .menu-bg a:hover {
  background-color: #3498db;
  transition: background-color 500ms linear !important;
}
nav .nav-wrap #hamburger {
  display: none;
}
nav .nav-wrap #hamburger:checked {
  box-shadow: 0 0 1.25rem rgba(0, 0, 0, 0.2);
  opacity:1;
}
nav .nav-wrap #hamburger:checked ~ .hamburger span {
  display: block;
  width: 100%;

  background-color: rgba(200,225,250,0.0);
}
nav .nav-wrap #hamburger:checked ~ .hamburger span:before, nav .nav-wrap #hamburger:checked ~ .hamburger span:after {
  background-color: #3498db;
  transform-origin: center center;
}
nav .nav-wrap #hamburger:checked ~ .hamburger span:before {
  transform: rotate(45deg);
  animation: burger3 250ms linear;
}
nav .nav-wrap #hamburger:checked ~ .hamburger span:after {
  transform: rotate(-45deg);
  animation: burger4 250ms linear;
}
@keyframes burger3 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(0) rotate(-45deg);
  }
}
@keyframes burger4 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(0) rotate(45deg);
  }
}
nav .nav-wrap #hamburger:checked ~ .menu-bg {
  left: 3.125rem;
  width: 100%;
  margin: 0;
  padding: 0;
  transition: all 0.5s ease;
}
nav .nav-wrap #hamburger:checked ~ .menu-bg a {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 25vh;
  margin: 0;
  padding: 0 0 0 3.125rem;
  background-color: rgba(150, 150, 150, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
  transition: width 0.75s ease;
}
nav .nav-wrap #hamburger:checked ~ .menu-bg a:nth-of-type(1) {
  transition-delay: 0.5625s;
}
nav .nav-wrap #hamburger:checked ~ .menu-bg a:nth-of-type(2) {
  transition-delay: 0.375s;
}
nav .nav-wrap #hamburger:checked ~ .menu-bg a:nth-of-type(3) {
  transition-delay: 0.1875s;
}
nav .nav-wrap #hamburger:checked ~ .menu-bg a:hover {
  background-color: #3498db;
  transition: background-color 500ms linear !important;
}
nav .brand {
  position: absolute;
/*
  bottom: 20px;
  left: -30px;
  transform: rotate(-90deg);
  left: -5px;
*/
  font-size: xx-large;
  top: 50px;
  color: #3498db;
  font-family: 'Arial', monospace;
  font-weight: bold;
}
nav .brand a {
  text-decoration: none;
  color: #3498db;
}