body {
  font-family: Helvetica Neue, Arial, sans-serif;
  /* font-size: 14px; */
  color: #444;
}

/* table {
  border: 2px solid #aaa;
  border-radius: 3px;
  margin-bottom: 15px;
} */

.th-grid {
  background-color: #aaa;
  color: rgba(255, 255, 255, 0.66);
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  text-align: center;
  font-size: 20px;
  padding: 10px 20px;
}

.td-grid {
  background-color: #f9f9f9;
  text-align: center;
  font-size: 20px;
  padding: 10px 20px;
}

.arrow {
  display: inline-block;
  vertical-align: middle;
  width: 0;
  height: 0;
  margin-left: 5px;
  opacity: 0.66;
}

code {
  color: darkgreen;
  background-color: #f9f9f9;
}

/* Code borrowed from https://www.peterkrautzberger.org/0213/ */
.cell {
  display: grid;
  width: 100%;
  justify-content: space-between;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  border: 1px solid #000;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' version='1.1' preserveAspectRatio='none' viewBox='0 0 100 100'><line x1='0' y1='0' x2='100' y2='100' stroke='black' vector-effect='non-scaling-stroke'/></svg>");
  background-size: 100% 100%;
  background-color: #fff;
}

.cell--topRight {
  grid-column-start: 2;
  text-align: right;
}

.cell--bottomLeft {
  grid-column-start: 1;
}