.subtitles-menu {
  text-align:center;
  margin: 10px 0 10px 0 !important;
}

.subtitles-menu button {
  background:#000;
  color:#fff;
  cursor:pointer;
  width:90%;
  padding:2px 5px;
  -moz-border-radius:2px;
  -webkit-border-radius:2px;
  border-radius:2px;
  opacity: 1;
  transition: 0.3s;
}

.subtitles-menu button:hover {
  opacity: 0.6;
}