.grid-item {
	width: 100%;
	height: 100%;
	background-color: transparent;
	margin: auto;
	position: relative;
}

.grid-item-interior {
	height: 100%;
	width: 100%;
	display: block;
	margin: 0 auto;
}

.door {
	width: 100%;
	height: 50%;
	display: block;
	position: relative;
	z-index: 2;
	top: 0;
	left: 0;
}

.tdoor,
.bdoor {
	height: 50%;
	width: 100%;
	display: inline-block;
	position: fixed;
	z-index: 9999;
	transition: all 0.3s ease-in-out;
}

.bdoor {
	left: 0;
	bottom: 0;
	background: #ffffff;
}

.tdoor {
	left: 0;
	top: 0;
	background: #ffffff;
}

#door1 .tdoor,
#door1 .bdoor {
	background: #ffffff;
}

#door1.active .tdoor {
	transform: translateX(-100%);
}

#door1.active .bdoor {
	transform: translateX(100%);
}