.overlay {
    position: fixed;
	opacity: 0;
    cursor: default;
	top: 0;
	left: 0;
	bottom: 0;
    right: 0;
	visibility: hidden;
    z-index: 1;
	background-color: rgba(0, 0, 0, .9);
    -webkit-transition: opacity .5s;
    -moz-transition: opacity .5s;
    -ms-transition: opacity .5s;
    -o-transition: opacity .5s;
    transition: opacity .5s;
}

	.overlay:target {
		visibility: visible;
		opacity: 1;
	}

.popup {
    position: fixed;
    display: block;
	left: 50%;
    padding: 2rem 1.5rem;
    visibility: hidden;
	min-width: 280px;
    z-index: 2;
	text-align: center;
	background: #fff;
	box-shadow: 0 0 0 60px rgba(0,0,0,0) inset, .5em .5em .9em #222;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

	.popup strong {
		font-size: 150%;
		line-height: 100%;
		font-weight: 700;
		text-transform: uppercase;
	}

.overlay:target+.popup {
    top: 50%;
    opacity: 1;
    visibility: visible;
}

.close img {
	position: absolute;
	top: 0;
	right: 0;
	width: 2em;
	height: 2em;
	padding: 1px;
	background: #4834d4;
}

	.close img:hover {
		background: #686de0;
	}

.close svg {
    position: absolute;
    top: 0;
    right: -28px;
    width: 22px;
    height: 22px;
    fill: rgba(255,255,255,1);
    opacity: .7;
    transition: .5s;
}