body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-image: url("bg.png");
}

.container {
    display: grid;
    grid-template-columns: repeat(6, 100px);
    gap: 10px;
    justify-content: center;
}

.container div {
    width: 100px;
    height: 100px;
    background-color: #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 5px;
    transition: transform 0.3s;
}

.container div:hover {
    transform: scale(1.05);
	opacity: 0.60;
}

.container div img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    visibility: hidden;
}

.container div.flipped img {
    visibility: visible;
}

.hidden {
    visibility: hidden !important;
    pointer-events: none;
}