@mixin transition($t) {
  transition: $t 250ms ease-in-out 50ms;
}

@mixin icon-with-update-mark ($icon-base-width) {
  .icon {
    width: $icon-base-width;

    &.has-update-mark:after {
      right: ($icon-base-width / 2) - .85;
    }
  }
}