body{
    background:#111;
    color:white;
    text-align:center;
    font-family:Arial;
}

#sequencia, #quantidade{
    display:flex;
    justify-content:center;
    gap:10px;
    margin:30px;
}

.cartucho{
    width:40px;
    height:70px;
    border:2px solid white;
    cursor:pointer;
}

.desconhecido{
    background:black;
}

.real{
    background:red;
}

.fake{
    background:white;
}

button{
    padding:10px 20px;
    font-size:18px;
    cursor:pointer;
}