.flex-center {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: flex-start;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
}

.preloader {
	position: absolute;
    padding-top: 15%;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #f4f6f8;
}

.dots .dot {
	display: inline-block;
    width: 15px;
    height: 15px;
    margin: 0 5px;
	border-radius: 50%;
	background: #1a3a6b;
	-webkit-animation: dot-dot-dot .7s linear infinite;
	animation: dot-dot-dot .7s linear infinite;
}

.dots .dot:nth-child(2) {
	animation-delay: .3s;
}

.dots .dot:nth-child(3) {
	animation-delay: .6s;
}

@keyframes dot-dot-dot {
	0%, 60%, 100% {
		-webkit-transform: initial;
    	-ms-transform: initial;
        transform: initial;
	}
	30% {
		-webkit-transform: translateY(-25px);
    	-ms-transform: translateY(-25px);
        transform: translateY(-25px);
	}
}