#game-container {
    column-count: 6;
    margin: auto;
    max-width: 1200px;
    height: 500px;
	margin-top: 40px;
}

.card-div {
    margin: 20px;
    border-style: groove;
    border-color: black;
    display: inline-flex;
}

.card-div:hover {
    opacity: 0.5;
}