*, *:after, *:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body.overflow-hidden {
  /* when primary navigation is visible, the content in the background won't scroll */
  overflow: hidden;
}
html, body {
  height: 100%;
}
.cd-primary-nav {
  /* by default it's hidden - on top of the viewport */
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  text-align: center;
  /*padding: 50px 0;*/
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  overflow: auto;
  /* this fixes the buggy scrolling on webkit browsers - mobile devices only - when overflow property is applied */
  -webkit-overflow-scrolling: touch;
  -webkit-transform: translateY(-100%);
  -moz-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  -o-transform: translateY(-100%);
  transform: translateY(-100%);
  -webkit-transition-property: -webkit-transform;
  -moz-transition-property: -moz-transform;
  transition-property: transform;
  -webkit-transition-duration: 0.4s;
  -moz-transition-duration: 0.4s;
  transition-duration: 0.4s;
}
.cd-primary-nav .cd-label {
  color: #06446e;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 14px;
  font-size: 0.875rem;
  margin: 2.4em 0 .8em;
}
.cd-primary-nav.is-visible {
  -webkit-transform: translateY(0);
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -o-transform: translateY(0);
  transform: translateY(0);
}