gecko/toolkit/themes/pinstripe/global/media/videocontrols.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

.controlBar {
  height: 28px;
  background-color: rgba(35,31,32,.74);
}

.playButton {
  background: url(chrome://global/skin/media/pauseButton.png) no-repeat center;
  /* Remove the native button appearance and styling */
  -moz-appearance: none;
  margin: 0;
  padding: 0;
  min-height: 28px;
  min-width: 28px;
  margin-right: -22px; /* 1/2 of scrubber thumb width, for overhang. */
  position: relative; /* Trick to work around negative margin interfering with clicking on the button. */
}
.playButton[paused="true"] {
  background: url(chrome://global/skin/media/playButton.png) no-repeat center;
}

.muteButton {
  background: url(chrome://global/skin/media/muteButton.png) no-repeat center;
  /* Remove the native button appearance and styling */
  -moz-appearance: none;
  margin: 0;
  padding: 0;
  min-height: 28px;
  min-width: 33px;
}
.muteButton[muted="true"] {
  background: url(chrome://global/skin/media/unmuteButton.png) no-repeat center;
}

.volumeStack {
  width: 28px;
  height: 70px;
  background-color: rgba(35,31,32,.74);
  /* use negative margin to place stack over the mute button to its left. */
  margin: -70px 3px 28px -31px;
  overflow: hidden; /* crop it when sliding down, don't grow the control bar */
  position: relative; /* Trick to work around negative margin interfering with dragging the thumb. */
  padding-top: 6px;
}

.volumeControl {
  min-height: 64px;
}

/* .scale-thumb is an element inside the <scale> implementation. */
.volumeControl .scale-thumb {
  /* Override the default thumb appearance with a custom image. */
  -moz-appearance: none;
  background: url(chrome://global/skin/media/volumeThumb.png) no-repeat center;
  border: none;
  min-width: 16px;
  min-height: 11px;
}

.volumeBackgroundBar {
  /* margin left/right: make bar 8px wide (control width = 28, minus 2 * 10 margin) */
  margin: 0 10px;
  background-color: rgba(255,255,255,.5);
  border-radius: 4px 4px;
}

.durationBox {
  -moz-box-pack: center;
}

.durationLabel {
  margin-left: -22px; /* 1/2 of scrubber thumb width, for overhang. */
  padding-left: 8px; /* don't bump into the scrubber bar */
  padding-top: 2px; /* center vertically with scrubber bar */
  color: rgba(255,255,255,.75);
  font-size: 11px;
  font-family: Helvetica, sans-serif;
}

.positionLabel {
  display: none;
}

.backgroundBar {
  /* margin top/bottom: make bar 8px tall (control height = 28, minus 2 * 10 margin) */
  /* margin left/right: 1/2 of scrubber thumb width, for overhang. */
  margin: 10px 22px;
  background-color: rgba(255,255,255,.5);
  border-radius: 4px;
}

.bufferBar,
.progressBar {
  /* margin top/bottom: make bar 8px tall (control height = 28, minus 2 * 10 margin) */
  /* margin left/right: 1/2 of scrubber thumb width, for overhang. */
  margin: 10px 22px;
  -moz-appearance: none;
  min-width: 0;
}

/* .progress-bar is an element inside the <progressmeter> implementation. */
.bufferBar .progress-bar {
  /*
   * Note that this is drawn on top of the .backgroundBar. So although this
   * has the same background-color specified, the semitransparent
   * compositing gives it a different visual appearance.
   */
  background-color: rgba(255,255,255,.5);
  border-radius: 4px;
}

.progressBar .progress-bar {
  background-color: white;
  border-radius: 4px 0 0 4px;
}

/* .scale-slider is an element inside the <scale> implementation. */
.scrubber .scale-slider,
.volumeControl .scale-slider {
  /* Hide the default horizontal bar. */
  -moz-appearance: none;
  background: none;
  margin: 0;
}

.scrubber .scale-slider {
  /* abs(margin-top) + margin-bottom + bar height == timeThumb height */
  margin-top: -10px;
  margin-bottom: 10px;
}
/* .scale-thumb is an element inside the <scale> implementation. */
.scrubber .scale-thumb {
  /* Override the default thumb appearance with a custom image. */
  -moz-appearance: none;
  background: transparent;
  border: none;
}

.timeThumb {
  background: url(chrome://global/skin/media/scrubberThumb.png) no-repeat center;
  min-width: 45px;
  min-height: 28px;
  -moz-box-pack: center;
}

.timeThumb[showhours="true"] {
  background: url(chrome://global/skin/media/scrubberThumbWide.png) no-repeat center;
}

.timeLabel {
  color: rgba(255,255,255,.75);
  font-size: 10px;
  font-family: Helvetica, sans-serif;
  text-shadow: rgba(0,0,0,.3) 0 1px;
  padding-top: 4px;
}

.statusOverlay {
  -moz-box-align: center;
  -moz-box-pack: center;
  background-color: rgba(0,0,0,.55);
}

.statusIcon {
  margin-bottom: 28px; /* same height as .controlBar, to keep icon centered above it */
  width: 36px;
  height: 36px;
}

.statusIcon[type="throbber"] {
  background: url(chrome://global/skin/media/throbber.png) no-repeat center;
}

.statusIcon[type="error"] {
  background: url(chrome://global/skin/media/error.png) no-repeat center;
}

/* CSS Transitions */
.controlBar:not([immediate]) {
  -moz-transition-property: opacity;
  -moz-transition-duration: 200ms;
}
.controlBar[fadeout] {
  opacity: 0;
}
.volumeStack:not([immediate]) {
  -moz-transition-property: opacity, margin-top;
  -moz-transition-duration: 200ms, 200ms;
}
.volumeStack[fadeout] {
  opacity: 0;
  margin-top: 0;
}
.statusOverlay:not([immediate]) {
  -moz-transition-property: opacity;
  -moz-transition-duration: 300ms;
  -moz-transition-delay: 750ms;
}
.statusOverlay[fadeout] {
  opacity: 0;
}