html {
  overflow:hidden;
}

body{
  font-family: Helvetica, Arial, sans-serif;
  min-width: 800px;
  padding: 0px;
  margin: 0px;
  background-color: #ffff00;
}
span.rowLabel {
  width: 40px;
  display: inline-block;
}

span.cell, span.cell4 {
  width: 21px;
  display: inline-block;
}

span.cell4 {
  margin-right: 5px;
}

.altRow {
  background-color: rgba(210, 210, 210, 0.5);
  margin-bottom: 5px;
  padding: 2px;
}

.row {
  margin-bottom: 5px;
  padding: 2px;
}

#controls {
  background-color: rgba(250, 250, 250, 0.90);

  border: solid 1px #ccc;
  padding: 10px;
}

#canvas {
  z-index: 5;
}

#top {
  z-index: 50;
}