@media screen and (min-width: 900px) {
  #rightside #font-size-toggle {
    position: relative;
  }

  #rightside #font-size-toggle .fs-badge {
    position: absolute;
    right: 4px;
    bottom: 3px;
    font-size: 10px;
    line-height: 1;
    opacity: 0.9;
    font-weight: 700;
  }

  html.fs-md #article-container,
  html.fs-md .post-content {
    font-size: 1.15em;
    line-height: 1.85;
  }

  html.fs-lg #article-container,
  html.fs-lg .post-content {
    font-size: 1.3em;
    line-height: 1.9;
  }
}