body {
	background-color: rgb(61, 126, 195);
}

div {
	user-select: none;
}

.success-zone {
	border: 1px solid black;
	border: 2px solid #000000bd;
	border-radius: 0.2rem;
	z-index: 1;
}

.tetromino-block {
	border: .5vw solid black;
	height: 100%;
	border-top-color: rgba(255, 255, 255, 0.35);
	border-bottom-color: rgba(0, 0, 0, 0.35);
	border-left-color: rgba(0, 0, 0, 0.1);
	border-right-color: rgba(0, 0, 0, 0.1);
	box-sizing: border-box;
}

.tetromino-block.moving {
	opacity: 0.5;
}