#toetsenbord {
    border: 1px solid black;
    height: 200px;
    width: fit-content;
}
.wit {
    margin-left: 0px;
    position: relative;
    float: left;
    border: 1px solid black;
    width: 50px;
    height: 200px;
    line-height: 300px;
    font-size: 50px;
}
.zwart {
    color: white;
    margin-left: 20px;
    float: left;
    border: 1px solid black;
    background-color: black;
    width: 30px;
    height: 100px;
}
.onzichtbaar {
    visibility: hidden;
}
#zwarteToets {
    z-index: 1;
    margin-left: 15px;
    position: absolute;
    display: flex;
}
.verschuif {
    margin-left: 70px;
}