#cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 20px 0;
}

.card {
    width: 80px;
    height: 120px;
    border: 2px solid #ccc;
    margin: 5px;
    cursor: pointer;
    transition: border 0.3s;
    background-image: url('../img/newban.png');
    background-size: cover;
    background-position: center;
}

.card.selected {
    border: 4px solid orange;
}

.buttons {
    margin-top: 20px;
}

button {
    margin: 5px;
    padding: 10px 15px;
    font-size: 16px;
}