/**
    Sources: https://codepen.io/umng/pen/wZzbbQ & https://www.w3schools.com/howto/howto_js_fullscreen_overlay.asp
**/

.spanner{
  position:absolute;
  top: 50%;
  left: 0;
  background: #2a2a2a55;
  width: 100%;
  display:block;
  text-align:center;
  height: 300px;
  color: #FFF;
  transform: translateY(-50%);
  z-index: 1000;
  visibility: visible;
}
/*
.overlay{
  position: fixed;
	width: 100%;
	height: 100%;
  background: rgba(0,0,0,0.5);
  visibility: hidden;
}*/

.overlay {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0, 0.6);
  overflow-x: hidden;
  /*transition: 0.5s;*/
}

.loader,
.loader:before,
.loader:after {
  border-radius: 50%;
  width: 2.5em;
  height: 2.5em;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation: load7 1.8s infinite ease-in-out;
  animation: load7 1.8s infinite ease-in-out;
}
.loader {
  color: #ffffff;
  font-size: 10px;
  margin: 80px auto;
  position: relative;
  text-indent: -9999em;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}
.loader:before,
.loader:after {
  content: '';
  position: absolute;
  top: 0;
}
.loader:before {
  left: -3.5em;
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}
.loader:after {
  left: 3.5em;
}
@-webkit-keyframes load7 {
  0%,
  80%,
  100% {
    box-shadow: 0 2.5em 0 -1.3em;
  }
  40% {
    box-shadow: 0 2.5em 0 0;
  }
}
@keyframes load7 {
  0%,
  80%,
  100% {
    box-shadow: 0 2.5em 0 -1.3em;
  }
  40% {
    box-shadow: 0 2.5em 0 0;
  }
}

.show{
  visibility: visible;
}
/*
.spanner, .overlay{
	opacity: 0;
	-webkit-transition: all 0.3s;
	-moz-transition: all 0.3s;
	transition: all 0.3s;
}*/

.overlay.show {
	width: 100%;
}