#game {
    display: flex;
    flex-direction: row;
    gap: 10px;
}

.hidden-element {
    display: none;
}

#opponentLeftModal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}

#opponentLeftModalContent {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    text-align: center;
}

.close {
    background-color: #4CAF50;
    color: white;
    padding: 15px 20px;
    border: none;
    cursor: pointer;
}