style.css

#gameCanvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
}

#turn {
    text-align: center;
    font-size: 140px;
    font-family: 'Antic Slab', serif;
    color: darkgoldenrod;
}

#restart {
    display: flex;
    justify-content: center;
}

#restartbutton {
    background-color: red;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
}

.body {
    background-image: url("DEEC84.jpg")
}

.winning-message {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 5rem;
    flex-direction: column;
}

.winning-message button{
    font-size: 3rem;
    background-color: white;
    border: 1px solid black;
    padding: .25em .5em;
    cursor: pointer;
}

.winning-message button:hover {
    background-color: balck;
    color: white;
    border-color: white;
}

.winning-message.show{
    display: none;
}