@media only screen and (min-width : 769px) {
  nav#navigation-drawer {
    display: none;
  }
}
@media only screen and (max-width : 768px) {
  nav#navigation-drawer {
    float: right;
    position: fixed;
    z-index: 999;
    right: 0;
  }
  nav#navigation-drawer div.mobile-toggle {

  }
  nav#navigation-drawer div.mobile-toggle input {
    cursor: pointer;
    display: block;
    height: 32px;
    left: -7px;
    position: absolute;
    opacity: 0;
    top: -7px;
    -webkit-touch-callout: none;
    width: 40px;
    z-index: 2;
  }
  nav#navigation-drawer div.mobile-toggle input:checked ~ ul {
    opacity: 1;
    transform: scale(1.0, 1.0);
  }
  nav#navigation-drawer div.mobile-toggle input:checked ~ span {
    background: #232323;
    opacity: 1;
    transform: rotate(45deg) translate(-2px, -1px);
  }
  nav#navigation-drawer div.mobile-toggle input:checked ~ span:nth-last-child(3) {
    opacity: 0;
    transform: rotate(0deg) scale(0.2, 0.2);
  }
  nav#navigation-drawer div.mobile-toggle input:checked ~ span:nth-last-child(2) {
    opacity: 1;
    transform: rotate(-45deg) translate(0, -1px);
  }
  nav#navigation-drawer div.mobile-toggle span {
    background: #fff;
    border-radius: 3px;
    display: block;
    height: 4px;
    right: 1em;
    margin-bottom: 5px;
    position: relative;
    z-index: 1;
    transform-origin: 4px 0px;
    transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0), background 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0), opacity 0.55s ease;
    width: 33px;
  }
  nav#navigation-drawer div.mobile-toggle span:first-child {
    transform-origin: 0% 0%;
  }
  nav#navigation-drawer div.mobile-toggle span:nth-last-child(2) {
    transform-origin: 0% 100%;
  }
  nav#navigation-drawer div.mobile-toggle ul.menu {
    background: #fff;
    box-shadow: 0 3px 8px rgba(0, 0, 0, .25);
    -webkit-box-shadow: 0 3px 8px rgba(0, 0, 0, .25);
    -moz-box-shadow: 0 3px 8px rgba(0, 0, 0, .25);
    height: 100vh;
    list-style-type: none;
    margin: -100px 0 0 -50px;
    padding-top: 125px;
    position: absolute;
    right: 0;
    -webkit-font-smoothing: antialiased;
    transform-origin: 0% 0%;
    transform: translate(100%, 0);
    transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
    width: 33vw;
    min-width: 300px;
  }

  nav#navigation-drawer div.mobile-toggle ul.menu::after {
    background: #ffae00;
    width: 100vw;
    height: 100vh;
  }

  nav#navigation-drawer div.mobile-toggle li {
    border-top: 1px solid #DDD;
    text-decoration: none;
  }

  nav#navigation-drawer div.mobile-toggle li:hover {
    background-color: #fff;
    cursor: pointer;
  }

  nav#navigation-drawer div.mobile-toggle li a {
    color: #232323;
    display: block;
    font-size: 1.5em;
    line-height: 2.5em;
    padding: 0 0 0 1em;
    position: relative;
    text-decoration: none;
    transition: color .3s ease;
  }

  nav#navigation-drawer div.mobile-toggle li a:hover {
    color: #ffae00;
  }
}
@media only screen and (orientation: landscape) and (max-device-width: 769px) {
  nav#navigation-drawer div.mobile-toggle ul.menu {
    height: 150vh;
    width: 66vw;
  }
  nav#navigation-drawer div.mobile-toggle li {
    display: inline-block;
    float: left;
    width: 50%;
  }
}