.main-header.sticky{
	position: fixed;
	width: 100%;
	top: 0;
	background: #fff;
	box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.transparent-main-header.sticky{
	position: fixed;
	width: 100%;
	top: 0;
	transition: .5s;
}

.transparent-main-header.sticky-color{
	background: #00000070;
	box-shadow: 0 1px 2px rgba(0,0,0,.1);
	transition: .5s;
}