.wide_cell {
  padding-left: 8px;
  padding-right: 8px;
}
.shadowbox {
  background-color:#f0fff0;
  border:1px solid #c0c0c0;
  box-shadow: 0px 0px 2px 2px #eee;
}

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

.cbutton {
  background-color:#c0c0c0;
  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:#e0e0e0;
}
.cbutton:active {
  background-color:#80c0ff;
}

.fcalc_cell {
  background-color:#f0f0f0;
  /* 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:white;
  }
.fcalc_cell[value*="-"] {
  color: red;
}