$icon-dimensions: 1.5rem !default;
$icon-dimensions-small: 1rem !default;
$icon-dimensions-medium: 2rem !default;
$icon-dimensions-large: 3rem !default;

.icon {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  height: $icon-dimensions;
  width: $icon-dimensions;

  // Sizes
  &.is-small {
    height: $icon-dimensions-small;
    width: $icon-dimensions-small;
  }

  &.is-medium {
    height: $icon-dimensions-medium;
    width: $icon-dimensions-medium;
  }

  &.is-large {
    height: $icon-dimensions-large;
    width: $icon-dimensions-large;
  }
}