.game-contents {
    text-align: center;
    padding: 2rem;
}

.game-contents ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 2-column layout */
    gap: 1rem 2rem;
    list-style: none;
    padding: 0;
    margin: 2rem auto;
    max-width: 600px;
    font-size: 1.5rem;
    line-height: 1.6;
    text-align: left;
}

.game-contents li strong {
    /* font-size: 1.4rem; */
    color: #111;
}

.game-contents img {
    border: 1px;
    margin: 1%;
    max-height: 15vh;
    object-fit: contain;
}

@media (max-width: 768px) {
    .game-contents ul {
        grid-template-columns: 1fr;
        /* stack items */
        text-align: center;
        font-size: 1rem;
    }
}