#grid {
  margin: 15px;
  border-spacing: 0px;
  font-weight: bold;
}
#grid .row {
  display: table-row;
  max-width: 100%;
}
#grid .row .spacerCell {
  display: table-cell;
}
#grid .row .hint.highlight {
  background-color: #CCC;
}
#grid .row .hint2.highlight {
  background-color: #FCC;
}
#grid .row .leftCell {
  display: table-cell;
  text-align: center;
  border-left: 0px none #000;
  border-top: 0px none #000;
  border-right: 0px none #000;
  border-bottom: 1px solid #000;
}
#grid .row .topCell {
  display: table-cell;
  text-align: center;
  border-left: 0px none #000;
  border-top: 0px none #000;
  border-right: 1px solid #000;
  border-bottom: 0px none #000;
}
#grid .row .leftCell.done,
#grid .row .topCell.done {
  font-style: italic;
  font-weight: normal;
  color: #888;
}
#grid .row .gridCell {
  display: table-cell;
  border-left: 0px none #000;
  border-top: 0px none #000;
  border-right: 1px solid #000;
  border-bottom: 1px solid #000;
  background-color: #FFF;
  cursor: pointer;
}
#grid .row .thickLeft {
  border-left: 2px solid #000;
}
#grid .row .thickTop {
  border-top: 2px solid #000;
}
#grid .row .thickRight {
  border-right: 2px solid #000;
}
#grid .row .thickBottom {
  border-bottom: 2px solid #000;
}
#grid .row .gridCell {
  position: relative;
  text-align: center;
}
#grid .row .gridCell div {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  display: none;
  opacity: 0.45;
}
#grid .row .gridCell.yes {
  background-color: #444;
}
#grid .row .gridCell.no {
  background-color: #B44;
}
#grid .row .gridCell.maybe {
  background-color: #48B;
}
#grid .row .gridCell.highlight div {
  display: block;
  background-color: #4B4;
  /*background-color:#8F8;*/
}
#grid .row .gridCell.error div {
  display: block;
  background-color: #FFF;
}
#grid .row .hoverHighlight {
  background-color: #FF8;
}
#clock {
  position: fixed;
  top: 30px;
  left: 30px;
}
#controls {
  position: fixed;
  top: 50px;
  left: 30px;
}
#txtSize {
  width: 25px;
}
.tooltip {
  visibility: hidden;
  padding: 2px 5px;
  border-radius: 6px;
  text-align: center;
  background-color: #FFF;
  border: 1px solid #444;
  width: fit-content;
  height: fit-content;
  position: absolute;
  pointer-events: none;
}