.spanner{
	position:absolute;
	top: 50%;
	left: 0;
	/* background: #2a2a2a; */
	width: 100%;
	display:block;
	text-align:center;
	height: 300px;
	color: #FFF;
	transform: translateY(-50%);
	z-index: 1000;
	visibility: hidden;
  }

  .overlay{
	position: fixed;
	  width: 100%;
	  height: 100%;
	background: rgba(0,0,0,0.5);
	visibility: hidden;
  }

  .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;
  }

  .spanner.show, .overlay.show {
	  opacity: 1
  }