.container {
	display: -webkit-box;
	display: -webkit-flex;
	display: -moz-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-flex-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	position: relative;
	justify-content: center;
	width: 100%;
	height: 100%;
	background: url("../images/meetingroom.jpg") center;
	
}
flex-container {
	display: flex;
	/* align-items: center; */
	width: 100%;
	height: 600px;
	background-color: gray;
	position: relative;
}
flex-item {
	background-color: white;
	width: 100px;
	height: 100px;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
}