body {
    display: flex;
    justify-content: center;
    background-color: rgb(255, 145, 0);
}


#content {
    text-align: center;
    align-items: center;

}

table {
    border-collapse: collapse;
    border: 1px solid #000;
}

td {
    width: 50px;
    height: 50px;
    border: 1px solid #000;
    vertical-align: center;
    text-align: center;
    font-family: monospace;
    font-size: 18px;
    position: relative
}

.pixel-index {
    font-size: 10px;
    display: inline-block;
    position: absolute;
    top: 2px;
    right: 2px;
    color: #999;
}

.pixel {
    width: 4px;
    height: 4px;
    border: 0;
}