body {
    height: 100%;
    margin-left: 10px;
    background-image: url('');
    background-blend-mode:difference;
    background-color: black;
    background-size: 1000px 600px;
}

#counter{
    color: red;
    font-weight: bold;
}

#playerDiv {
    width: 77%;
    border: none;
}

table td {
    padding: 5px;
    width: 100px;
    height: 100px;
    border: 2px solid black;
    background-color:cadetblue;
    color: white;
}

#bingoarea {
    text-align:center;
    position: absolute;
    top: 10px;
    right: 10px;
}

#number {
    width: 15px;
}

.checked {
    background-image: url('./Red_X.png');
    background-size: contain;
}