.VGroup {
    writing-mode: vertical-lr;
    display: inline-block;
    height: 5.2em;
}
.K2 {
    display: inline-block;
    writing-mode: horizontal-tb;
    border: 1px gray solid;
    width: 23px;
    text-align: center;
    height: 1.2em;
}
.CButton {
    writing-mode: horizontal-tb;
    width: 25px;
    padding: 0px;
    border: 1px solid;
}    
.PButton {
    width: 21px;
    padding: 0px;
}    
.Freq {
    display: inline-block;
    writing-mode: horizontal-tb;
    border: 1px gray solid;
    width: 23px;
    text-align: center;
    height: 1.2em;
    cursor: move;
}
.K1 {
    display: inline-block;
    writing-mode: horizontal-tb;
    width: 23px;
    text-align: center;
    height: 1.2em;
}
.K0 {
    display: inline-block;
    writing-mode: horizontal-tb;
    //border: 1px solid;
    //width: 23px;
    text-align: center;
    height: 1em;
    font-family: default;
}

.dropHint {
    border: 1px solid #ffc49a;
    background: #feffb4;
}

.dropActive {
    border: 1px solid #ffa5a5;
    background: #ffe7e7;
}