* {
    margin: 0px;
    padding: 0px;
}

.hidden {
    display: none;
}

body {
    background-image: url('theme.png');
    display: flex;
    height: 100vh;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

#game-container {
    border-radius: 40px;
    padding: 13px;
    background-color: aqua;
}

#game-container:hover {
    box-shadow: 0px 0px 2px 2px rgb(117, 117, 117);
}