.progress {
  height: 3px;
}
.audio-player > .btn:first-child:not(:last-child):not(.dropdown-toggle) {
  border-bottom-right-radius: 0;
  border-top-right-radius: 0;
}
.audio-player > .btn:last-child:not(:first-child),
.audio-player > .dropdown-toggle:not(:first-child) {
  border-bottom-left-radius: 0;
  border-top-left-radius: 0;
}
.audio-player .btn-secondary:focus {
  box-shadow: none;
}