.overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	max-width: 100%;
	height: 100%;
	z-index: 9000;
	background: rgba(0, 0, 0, .7);
}
.overlay .popup-window {
	position: absolute;
	top: 50%;
	left: 50%;
	max-width: 90%;
	min-width: 350px;
	transform: translate(-50%, -50%);
	background-color: #fff;
	padding: 25px;
    border-radius: 30px;
	text-align: center;
}
.overlay .popup-window .popup-buttons {
    display: flex;
	flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}
.overlay .popup-window .button {
    margin: 5px;
}