.background {
    color: #ffffff;
    background-color: #232323;
}

*:active {
    color: #dadada;
    background-color: #151515;
}

*:disabled {
    color: #151515;
    background-color: #303030;
}

*:hover {
    color: #fcfcfc;
    background-color: #003263;
}

*:checked {
    color: #fcfcfc;
    background-color: #002849;
}

button, notebook tab label {
    border: 1px solid #808080;
    margin:1px;
}

*button:active {
    color: #dadada;
    background-color: #151515;
}