.large-header {
	position: relative;
	width: 100%;
	background: #333;
	overflow: hidden;
	background-size: cover;
	background-position: center center;
	z-index: 1;
	top:0
}

.demo-1 .large-header {
	background-image: url('../img/bcg.jpg');
}


.main-title {
	position: absolute;
	margin: 0;
	padding: 0;
	color: #e8e8e8;
	font-weight:bold !important;
	font-size:50px;
	text-align: center;
	top: 50%;
	left: 50%;
	-webkit-transform: translate3d(-50%,-50%,0);
	transform: translate3d(-50%,-50%,0);
}
.main-title1 {
	position: absolute;
	margin: 0;
	padding: 0;
	color: #e8e8e8;
	text-align: center;
	top: 60%;
	left: 50%;
	-webkit-transform: translate3d(-50%,-50%,0);
	transform: translate3d(-50%,-50%,0);
}
.demo-1 .main-title, 

.main-title .thin {
	font-weight: 200;
}

@media only screen and (max-width : 768px) {
	.demo-1 .main-title, 
	.demo-3 .main-title,
	.demo-4 .main-title {
		font-size: 3em;
	}

	.demo-2 .main-title {
		font-size: 4em;
	}
}
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black;
    background-color: #649173;
    color: #e8e8e8;
    width: 160px;
    height: 50px;
    padding: 5px 10px;
    margin-top:20px;
    right:20px; 
}