kbd {
  padding: 2px 6px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #f7f7f7;
  color: #000000;
  font-family: monospace;
  font-weight: bold;
}

.column {
  float: left;
  width: 50%;
}

.columnl {
  float: left;
  width: 30%;
}

.columnr {
  float: left;
  width: 70%;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

.vertical-center {
  margin: 0;
  position: absolute;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

.nowrap {
  white-space: nowrap;

}

img {
  &.small {
    height: 1em;
  }

  &.medium {
    height: 5em;
  }

  &.big {
    height: 7em;
  }

  &.sortabig {
    height: 9em;
  }

  &.verybig {
    height: 12em;
  }

  margin-right: 1em;
}