.transparent {
  opacity: 0.4;
}
.icon-transition {
  -webkit-transition: transform 0.3s;
  transition: transform 0.3s;
}
.arrow-position {
  right: 0;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
.rotate-icon {
  -ms-transform: translateY(-50%) rotate(-180deg);
  transform: translateY(-50%) rotate(-180deg);
}