#keyboard {
    height: 135px;
    overflow-x: scroll;
    overflow-y: hidden;
    white-space: nowrap;
    border: 1px solid black;
    text-align: center;
    cursor: pointer;
    position: relative;
}
table {
    table-layout:fixed;
}
table.white {
    position: absolute;
    top: 0px;
    left: 0px;
    height: 120px;
    border-spacing: 0px 0px;
}
table.black {
    position: absolute;
    border-collapse: separate;
    border-spacing: 20px 0px;
    height: 60px;
    top: 0px;
    left: 30px;
}
table.white > tbody > tr {
    position: relative;
}
table.white > tbody > tr > td {
    min-width: 80px;
    width: 80px;
    max-width: 80px;
    height: 100%;
    vertical-align: bottom;
    border: 1px solid black;
}
table.black > tbody > tr > td {
    min-width: 60px;
    width: 60px;
    max-width: 60px;
    height: 100%;
    vertical-align: bottom;
    border: 1px solid white;
    background-color: black;
    color: white;
    z-index: 100;
}
select.keySelect {
    background-color: white;
    display: inline-block;
    width: 50px;
    border: 1px solid black !important;
}