.gallery .control-button {
    color: #ccc;
    color: rgba(255, 255, 255, 0.4);
  }
  
  .gallery .control-button:hover {
    color: white;
    color: rgba(255, 255, 255, 0.8);
  }
  
  /*
      Theme controls how everything looks in Gallery CSS.
  */
  .gallery {
    position: relative;
  }
  .gallery .item {
    height: 400px;
    overflow: hidden;
    text-align: center;
    
  }
  .gallery .controls {
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
  }
  .gallery .control-button {
    display: inline-block;
    margin: 0 .02em;
    font-size: 3em;
    text-align: center;
    text-decoration: none;
    transition: color .1s;
  }