:root {
    color-scheme: light dark;
}

.wide_cell {
    padding-left: 8px;
    padding-right: 8px;
}

.shadowbox {
    background-color: light-dark(#e0e0e0, #202020);
    border: 1px solid #c0c0c0;
    box-shadow: 0px 0px 2px 2px #eee;
}

.shadowbox * {
    font-size: 12pt;
}

.cbutton {
    background-color:  light-dark(#ffffff, #000000);
    color: light-dark(#202020, #e0e0e0, );
    border: 1px solid #808080;
    box-shadow: 0px 0px 2px 2px #eee;
    width: 100%;
    font-family: MathJax_Main;
    font-style: italic;
    font-size: 14pt;
}

.cbutton:hover {
    background-color:  light-dark(#808080, #404040);
}

.cbutton:active {
    background-color: #80c0ff;
}

.fcalc_cell {

    background-color: light-dark(#e0e0e0, #202020);
    color: light-dark(#202020, #e0e0e0, );
    /* width : 240px;
  height : 20px; */
    padding: 6px;
    margin-left: 4px;
    margin-right: 4px;
    text-align: right;
    font-family: monospace;
    border: 1px solid #a0a0a0;
}

.fcalc_cell:hover,
.fcalc_cell:focus {
    background-color: light-dark(#e0e0e0, #202020);
}

.fcalc_cell[value*="-"] {
    color: red;
}