.overlay{
	position: fixed;
	display: none;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 10;
	background-color: rgba(0,0,0,0.3); /*dim the background*/
  }
  .lds-spinner {
	color: black;
	display: inline-block;
	position: fixed;
	margin-top: 20%;
	margin-left: 45%;
	margin-right: 50%;
	width: 64px;
	height: 64px;
  }
  .lds-spinner div {
	transform-origin: 32px 32px;
	animation: lds-spinner 1.2s linear infinite;
  }
  .lds-spinner div:after {
	content: " ";
	display: block;
	position: absolute;
	top: 3px;
	left: 29px;
	width: 5px;
	height: 14px;
	border-radius: 20%;
	background:#fff;
  }
  .lds-spinner div:nth-child(1) {
	transform: rotate(0deg);
	animation-delay: -1.1s;
  }
  .lds-spinner div:nth-child(2) {
	transform: rotate(30deg);
	animation-delay: -1s;
  }
  .lds-spinner div:nth-child(3) {
	transform: rotate(60deg);
	animation-delay: -0.9s;
  }
  .lds-spinner div:nth-child(4) {
	transform: rotate(90deg);
	animation-delay: -0.8s;
  }
  .lds-spinner div:nth-child(5) {
	transform: rotate(120deg);
	animation-delay: -0.7s;
  }
  .lds-spinner div:nth-child(6) {
	transform: rotate(150deg);
	animation-delay: -0.6s;
  }
  .lds-spinner div:nth-child(7) {
	transform: rotate(180deg);
	animation-delay: -0.5s;
  }
  .lds-spinner div:nth-child(8) {
	transform: rotate(210deg);
	animation-delay: -0.4s;
  }
  .lds-spinner div:nth-child(9) {
	transform: rotate(240deg);
	animation-delay: -0.3s;
  }
  .lds-spinner div:nth-child(10) {
	transform: rotate(270deg);
	animation-delay: -0.2s;
  }
  .lds-spinner div:nth-child(11) {
	transform: rotate(300deg);
	animation-delay: -0.1s;
  }
  .lds-spinner div:nth-child(12) {
	transform: rotate(330deg);
	animation-delay: 0s;
  }
  @keyframes lds-spinner {
	0% {
	  opacity: 1;
	}
	100% {
	  opacity: 0;
	}
  }
  
  .bg-black {
  background-color:black ; }
  .bg-white {
  background-color:white ; }
  .bg-red {
  background-color:red ; }
  .bg-green {
  background-color:green ; }
  .bg-yellow {
  background-color:yellow ; }
  .bg-blue {
  background-color:blue ; }
  .bg-brown {
  background-color:brown ; }
  .bg-orange {
  background-color:orange ; }
  .bg-pink {
  background-color:pink ; }
  .bg-purple {
  background-color:purple ; }
  .bg-grey {
  background-color:grey ; }