.gallery .control-button {
  color: #000;
  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: 350px;
  overflow: hidden;
  text-align: center;
  background: #fff;
}
@media (min-width:768px) {
  .gallery .item {
    height: 490px;
    overflow: hidden;
    text-align: center;
    background: #fff;
  }
}

.gallery .controls {
  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;
}