.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
  vertical-align: sub;
  margin-bottom: 0.1em;
  &.icon-fw {
    width: 1.28571429em;
  }
}

.rotate-90 {
  transform: rotate(-90deg);
}