barchart.css

.barchart {
  display: flex;
  border: 2px solid;
  padding-right: 1rem;
  padding-bottom: 1rem;
  width: 90%;
  height: 30em;

  border-spacing: initial;
  text-indent: initial;
  box-sizing: initial;
  border-collapse: initial;
  text-align: center;
  font-size: initial;
  position: relative;
}

.barchart > caption {
  display: block;
  text-align: center;
  font-size: initial;
  position: absolute;
  padding-top: 1rem;
  width: 100%;
  font-weight: bold;
}

.barchart > thead {
  vertical-align: initial;
  display: initial;
  font-style: italic;
}

.barchart > thead > tr {
  vertical-align: initial;
  display: initial;
}

.barchart > thead > tr > th {
  display: block;
  font-weight: initial;
  text-align: center;
  position: absolute;

  bottom: 0%;
  width: 100%;
  border: 1px dashed;
}

.barchart > thead > tr > * + th {
  bottom: initial;
  width: initial;
  border: initial;

  height: 100%;

  display: flex;
  align-items: center;

  transform: translateX(-50%) rotate(-90deg) translateY(+1rem);
}

.barchart > tbody {
  width: 100%;
  height: calc(100% - 6rem);
  left: 1rem;
  position: relative;
  margin-left: 2rem;
  display: flex;
  vertical-align: initial;
  text-align: initial;
  align-self: flex-end;
}

.barchart > tbody > tr {
  padding-top: 1rem;
  padding-bottom: 0;
  width: 100%;
  display: inline-block;
  transform: rotate(180deg);
  direction: rtl;
}

.barchart > tbody > tr > td {
  border-width: initial;
  border-style: initial;
  text-align: center;
  transform: rotate(-195deg);
  font-size: xx-small;
  display: table;
/*  width: 0.1em; // TODO: flex */

  position: relative;
  font-style: normal;
  margin-left: 0.2rem;
  margin-right: 0.2rem;
  padding-top: 0.2rem;
  height: 4em;
}

.barchart > tbody > tr > * + td {
  transform: rotate(-180deg);
  font-size: smaller;
  display: table;
  width: 80%;

  background-color: #0f0;
  padding: 0.1rem;
  margin-bottom: 1rem;
  margin-top: 0.3rem;
}