style.css

html {
	width: 100%;
	height: 100%;
	background: linear-gradient(325deg, #03001e 0%, #7303c0 30%, #ec38bc 70%, #fdeff9 100%);
	font-family: Arial, Helvetica, sans-serif;
	overflow: hidden;
}

.game {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.controls {
	display: flex;
	gap: 20px;
	margin-bottom: 20px;
}

button {
	background: #282a3a;
	color: #fff;
	border-radius: 5px;
	padding: 10px, 20px;
	border: 0;
	cursor: pointer;
	font-size: 20pt;
	font-weight: bold;
}

.disabled {
	color: #757575;
}

.stats {
	color: #fff;
	font-size: 14pt;
	font-weight: bold;
}

.board-container {
	position: relative;
}

.board, .win {
	border-radius: 5px;
	box-shadow: 0 25px 50px rgb(33 33 33 / 25%);
	background: linear-gradient(135deg, #03001e 0%, #7303c0 30%, #ec38bc 70%, #fdeff9 100%);
	transition: transform .6s cubic-bezier(0.4, 0.0, 0.2, 1);
	backface-visibility: hidden;
}

.board {
	padding: 20px;
	grid-gap: 20px;
}
.board-container.flipped .board {
    transform: rotateY(180deg) rotateZ(50deg);
}
.board-container.flipped .win {
    transform: rotateY(0) rotateZ(0);
}
.card {
    position: relative;
    width: 10px;
    height: 10px;
    cursor: pointer;
}
.card-front,
.card-back {
    position: absolute;
    border-radius: 5px;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    gap: 20px;
}
.card-back {
    transform: rotateY(180deg) rotateZ(50deg);
    font-size: 32pt;
    user-select: none;
    text-align: center;
    line-height: 100px;
    background: #FDF8E6;
}
.card.flipped .card-front {
    transform: rotateY(180deg) rotateZ(50deg);
}
.card.flipped .card-back {
    transform: rotateY(0) rotateZ(0);
}
.win {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    background: #FDF8E6;
    transform: rotateY(180deg) rotateZ(50deg);
}
.win-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 21pt;
    color: #282A3A;
}
.highlight {
    color: #7303c0;
}

.kletka {
	justify-content: center;
	text-align: center;
	font-size: 32pt;
}