update to 53.0

30 files changed, 543 insertions, 268 deletions

diff --git a/arc-firefox-theme/chrome/global/media/TopLevelVideoDocument.css b/arc-firefox-theme/chrome/global/media/TopLevelVideoDocument.css
index 760cdcd..2d857ce 100644
--- a/arc-firefox-theme/chrome/global/media/TopLevelVideoDocument.css
+++ b/arc-firefox-theme/chrome/global/media/TopLevelVideoDocument.css
@@ -8,5 +8,5 @@ body {
 }
 
 video {
-  box-shadow: 0 0 15px #000;
+  box-shadow: 0 0 5px rgba(0,0,0,0.6);
 }
diff --git a/arc-firefox-theme/chrome/global/media/closeCaptionButton.png b/arc-firefox-theme/chrome/global/media/closeCaptionButton.png
deleted file mode 100644
index 469310f..0000000
--- a/arc-firefox-theme/chrome/global/media/closeCaptionButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/closeCaptionButton@2x.png b/arc-firefox-theme/chrome/global/media/closeCaptionButton@2x.png
deleted file mode 100644
index 0335078..0000000
--- a/arc-firefox-theme/chrome/global/media/closeCaptionButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/closedCaptionButton.svg b/arc-firefox-theme/chrome/global/media/closedCaptionButton.svg
new file mode 100644
index 0000000..0c55071
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/media/closedCaptionButton.svg
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="18px" height="18px" viewBox="0 0 18 18">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #ffffff;
+    }
+    use[id$="-hover"] {
+      fill: #48a0f7;
+    }
+    use[id$="-active"] {
+      fill: #2d89e6;
+    }
+    use[id$="-focus"] {
+      fill: #48a0f7;
+    }
+    use[id$="-disabled"] {
+      fill: #ffffff;
+    }
+  </style>
+  <symbol id="cc-off-shape">
+    <path fill-rule="evenodd" clip-rule="evenodd" d="M16.531,16.107H5.267l1.982-2H15c0.6,0,1-0.4,1-1V5.274
+      l1.946-1.964C17.963,3.399,18,3.483,18,3.576v11.031C18,15.407,17.331,16.107,16.531,16.107z M14.016,8.506h-1.218l1.005-1.014
+      C13.913,7.789,13.984,8.128,14.016,8.506z M11.786,12.361c-0.828,0-1.476-0.326-1.913-0.902l1.09-1.101
+      c0.136,0.323,0.374,0.541,0.796,0.541c0.514,0,0.695-0.44,0.756-1.014h1.535C13.908,11.43,13.071,12.361,11.786,12.361z
+       M1.496,16.106C0.697,16.104,0,15.406,0,14.607V3.576c0-0.8,0.7-1.5,1.5-1.5h12.846L16.299,0l1.316,1.283L2.615,17.13L1.496,16.106
+      z M3,4.107c-0.6,0-1,0.4-1,1v8c0,0.6,0.4,1,1,1h0.029l2.031-2.16c-0.757-0.503-1.191-1.457-1.191-2.744
+      c0-1.936,1.069-3.14,2.428-3.14c1.357,0,2.136,0.76,2.361,2.059l3.777-4.016H3z M8.298,8.506H7.355
+      c-0.047-0.623-0.49-1.23-0.99-1.23c-0.561,0-1.337,0.84-1.337,1.995c0,0.674,0.381,1.427,0.95,1.702L8.298,8.506z"/>
+  </symbol>
+
+  <symbol id="cc-shape">
+    <path d="M16.531,1.984H1.5c-0.8,0-1.5,0.7-1.5,1.5v11.031c0,0.8,0.7,1.5,1.5,1.5h15.031
+      c0.8,0,1.469-0.7,1.469-1.5V3.484C18,2.684,17.331,1.984,16.531,1.984z M16,13.016c0,0.6-0.4,1-1,1H3c-0.6,0-1-0.4-1-1v-8
+      c0-0.6,0.4-1,1-1h12c0.6,0,1,0.4,1,1V13.016z M6.426,10.807c-0.811,0-0.96-0.789-0.96-1.628c0-1.155,0.338-1.745,0.899-1.745
+      c0.5,0,0.818,0.357,0.866,0.98h1.484C8.585,6.877,7.785,5.972,6.297,5.972c-1.359,0-2.428,1.205-2.428,3.14
+      c0,1.944,0.974,3.157,2.583,3.157c1.285,0,2.153-0.93,2.295-2.476H7.244C7.183,10.367,6.94,10.807,6.426,10.807z M11.759,10.807
+      c-0.811,0-0.96-0.789-0.96-1.628c0-1.155,0.338-1.745,0.899-1.745c0.5,0,0.756,0.357,0.803,0.98h1.515
+      c-0.129-1.537-0.898-2.443-2.385-2.443c-1.359,0-2.396,1.205-2.396,3.14c0,1.944,0.943,3.157,2.552,3.157
+      c1.285,0,2.122-0.93,2.264-2.476h-1.535C12.454,10.367,12.273,10.807,11.759,10.807z"/>
+  </symbol>
+  <use id="cc" xlink:href="#cc-shape"/>
+  <use id="cc-hover" xlink:href="#cc-shape"/>
+  <use id="cc-active" xlink:href="#cc-shape"/>
+  <use id="cc-focus" xlink:href="#cc-shape"/>
+  <use id="cc-disabled" xlink:href="#cc-shape"/>
+
+  <use id="cc-off" xlink:href="#cc-off-shape"/>
+  <use id="cc-off-hover" xlink:href="#cc-off-shape"/>
+  <use id="cc-off-active" xlink:href="#cc-off-shape"/>
+  <use id="cc-off-focus" xlink:href="#cc-off-shape"/>
+  <use id="cc-off-disabled" xlink:href="#cc-off-shape"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/global/media/error.png b/arc-firefox-theme/chrome/global/media/error.png
index 58e3728..362a293 100644
--- a/arc-firefox-theme/chrome/global/media/error.png
+++ b/arc-firefox-theme/chrome/global/media/error.png
diff --git a/arc-firefox-theme/chrome/global/media/fullscreenButton.png b/arc-firefox-theme/chrome/global/media/fullscreenButton.png
deleted file mode 100644
index ffbc3d5..0000000
--- a/arc-firefox-theme/chrome/global/media/fullscreenButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/fullscreenButton.svg b/arc-firefox-theme/chrome/global/media/fullscreenButton.svg
new file mode 100644
index 0000000..0bf3ec2
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/media/fullscreenButton.svg
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="18px" height="18px" viewBox="0 0 18 18">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #ffffff;
+    }
+    use[id$="-hover"] {
+      fill: #48a0f7;
+    }
+    use[id$="-active"] {
+      fill: #2d89e6;
+    }
+    use[id$="-focus"] {
+      fill: #48a0f7;
+    }
+    use[id$="-disabled"] {
+      fill: #ffffff;
+    }
+  </style>
+  <symbol id="fullscreen-shape">
+    <path d="M6.728,10.188l-3.235,3.094l0.017-2.267l-1.513-0.016l0,5l4.987-0.008l0.011-1.537l-2.281-0.022
+  l3.097-3.158L6.728,10.188z M14.453,11.004l-0.022,2.281l-3.158-3.097l-1.086,1.083l3.094,3.235l-2.267-0.017l-0.016,1.514l5,0
+  l-0.008-4.988L14.453,11.004z M11.015,2.01l-0.011,1.537l2.281,0.022l-3.097,3.158l1.083,1.086l3.235-3.094L14.49,6.986
+  l1.513,0.016v-5L11.015,2.01z M6.986,3.511l0.016-1.514l-5,0L2.01,6.985l1.537,0.011l0.022-2.281l3.158,3.097l1.086-1.083
+  L4.718,3.494L6.986,3.511z"/>
+  </symbol>
+  <symbol id="unfullscreen-shape">
+    <path d="M2.047,11.135l-0.011,1.537l2.281,0.022L1.22,15.851l1.083,1.086l3.235-3.094l-0.017,2.268l1.513,0.016
+  l0-5L2.047,11.135z M13.781,12.587l2.267,0.017l0.016-1.514l-5,0l0.008,4.988l1.537,0.011l0.022-2.281l3.158,3.097l1.086-1.083
+  L13.781,12.587z M16.058,5.578l-2.281-0.021l3.097-3.158l-1.083-1.086l-3.235,3.094l0.017-2.267L11.06,2.123v5l4.988-0.008
+  L16.058,5.578z M5.516,2.098L5.494,4.379L2.336,1.283L1.25,2.365L4.344,5.6L2.077,5.583L2.06,7.097l5,0L7.053,2.109L5.516,2.098z"/>
+  </symbol>
+  <use id="fullscreen" xlink:href="#fullscreen-shape"/>
+  <use id="fullscreen-hover" xlink:href="#fullscreen-shape"/>
+  <use id="fullscreen-active" xlink:href="#fullscreen-shape"/>
+  <use id="fullscreen-focus" xlink:href="#fullscreen-shape"/>
+  <use id="fullscreen-disabled" xlink:href="#fullscreen-shape"/>
+
+  <use id="unfullscreen" xlink:href="#unfullscreen-shape"/>
+  <use id="unfullscreen-hover" xlink:href="#unfullscreen-shape"/>
+  <use id="unfullscreen-active" xlink:href="#unfullscreen-shape"/>
+  <use id="unfullscreen-focus" xlink:href="#unfullscreen-shape"/>
+  <use id="unfullscreen-disabled" xlink:href="#unfullscreen-shape"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/global/media/fullscreenButton@2x.png b/arc-firefox-theme/chrome/global/media/fullscreenButton@2x.png
deleted file mode 100644
index b09ebbd..0000000
--- a/arc-firefox-theme/chrome/global/media/fullscreenButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/muteButton.png b/arc-firefox-theme/chrome/global/media/muteButton.png
deleted file mode 100644
index 8944807..0000000
--- a/arc-firefox-theme/chrome/global/media/muteButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/muteButton.svg b/arc-firefox-theme/chrome/global/media/muteButton.svg
new file mode 100644
index 0000000..779957c
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/media/muteButton.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="18px" height="18px" viewBox="0 0 18 18">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #ffffff;
+    }
+    use[id$="-hover"] {
+      fill: #48a0f7;
+    }
+    use[id$="-active"] {
+      fill: #2d89e6;
+    }
+    use[id$="-focus"] {
+      fill: #48a0f7;
+    }
+    use[id$="-disabled"] {
+      fill: #ffffff;
+    }
+  </style>
+  <symbol id="unmute-shape">
+    <path d="M3.52,5.367c-1.332,0-2.422,1.09-2.422,2.422v2.422c0,1.332,1.09,2.422,2.422,2.422h1.516l4.102,3.633
+    V1.735L5.035,5.367H3.52z M12.059,9c0-0.727-0.484-1.211-1.211-1.211v2.422C11.574,10.211,12.059,9.727,12.059,9z M14.48,9
+    c0-1.695-1.211-3.148-2.785-3.512l-0.363,1.09C12.422,6.82,13.27,7.789,13.27,9c0,1.211-0.848,2.18-1.938,2.422l0.484,1.09
+    C13.27,12.148,14.48,10.695,14.48,9z M12.543,3.188l-0.484,1.09C14.238,4.883,15.691,6.82,15.691,9c0,2.18-1.453,4.117-3.512,4.601
+    l0.484,1.09c2.422-0.605,4.238-2.906,4.238-5.691C16.902,6.215,15.086,3.914,12.543,3.188z"/>
+  </symbol>
+  <symbol id="mute-shape">
+    <path d="M3.52,5.367c-1.332,0-2.422,1.09-2.422,2.422v2.422c0,1.332,1.09,2.422,2.422,2.422h1.516l4.102,3.633
+      V1.735L5.035,5.367H3.52z"/>
+    <path fill-rule="evenodd" clip-rule="evenodd" d="M12.155,12.066l-1.138-1.138l4.872-4.872l1.138,1.138
+      L12.155,12.066z"/>
+    <path fill-rule="evenodd" clip-rule="evenodd" d="M10.998,7.204l1.138-1.138l4.872,4.872l-1.138,1.138L10.998,7.204
+		z"/>
+  </symbol>
+  <symbol id="noaudio-shape">
+	  <path d="M14.901,3.571l-4.412,3.422V1.919L6.286,5.46H4.869c-1.298,0-2.36,1.062-2.36,2.36v2.36
+		c0,1.062,0.708,1.888,1.652,2.242l-2.242,1.77l1.18,1.416L16.081,4.987L14.901,3.571z M10.489,16.081V11.36l-2.669,2.36
+		L10.489,16.081z"/>
+  </symbol>
+  <use id="unmute" xlink:href="#unmute-shape"/>
+  <use id="unmute-hover" xlink:href="#unmute-shape"/>
+  <use id="unmute-active" xlink:href="#unmute-shape"/>
+  <use id="unmute-focus" xlink:href="#unmute-shape"/>
+  <use id="unmute-disabled" xlink:href="#unmute-shape"/>
+
+  <use id="mute" xlink:href="#mute-shape"/>
+  <use id="mute-hover" xlink:href="#mute-shape"/>
+  <use id="mute-active" xlink:href="#mute-shape"/>
+  <use id="mute-focus" xlink:href="#mute-shape"/>
+  <use id="mute-disabled" xlink:href="#mute-shape"/>
+
+  <use id="noaudio" xlink:href="#noaudio-shape"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/global/media/muteButton@2x.png b/arc-firefox-theme/chrome/global/media/muteButton@2x.png
deleted file mode 100644
index b2cd21c..0000000
--- a/arc-firefox-theme/chrome/global/media/muteButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/noAudio.png b/arc-firefox-theme/chrome/global/media/noAudio.png
deleted file mode 100644
index 3db8c97..0000000
--- a/arc-firefox-theme/chrome/global/media/noAudio.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/noAudio@2x.png b/arc-firefox-theme/chrome/global/media/noAudio@2x.png
deleted file mode 100644
index 7de728b..0000000
--- a/arc-firefox-theme/chrome/global/media/noAudio@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/pauseButton.png b/arc-firefox-theme/chrome/global/media/pauseButton.png
deleted file mode 100644
index 944098c..0000000
--- a/arc-firefox-theme/chrome/global/media/pauseButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/pauseButton.svg b/arc-firefox-theme/chrome/global/media/pauseButton.svg
new file mode 100644
index 0000000..8d56b96
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/media/pauseButton.svg
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="18px" height="18px" viewBox="0 0 18 18">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #ffffff;
+    }
+    use[id$="-hover"] {
+      fill: #48a0f7;
+    }
+    use[id$="-active"] {
+      fill: #2d89e6;
+    }
+    use[id$="-focus"] {
+      fill: #48a0f7;
+    }
+    use[id$="-disabled"] {
+      fill: #ffffff;
+    }
+  </style>
+
+
+  <symbol id="pause-shape">
+    <path fill-rule="evenodd" clip-rule="evenodd" d="M6.002,1.953C5.172,1.953,4.5,2.626,4.5,3.455v11.08
+        c0,0.83,0.672,1.502,1.502,1.502c0.829,0,1.502-0.672,1.502-1.502V3.455C7.504,2.626,6.831,1.953,6.002,1.953z M12,1.953
+        c-0.828,0-1.5,0.672-1.5,1.5v11.094c0,0.828,0.672,1.5,1.5,1.5s1.5-0.672,1.5-1.5V3.453C13.5,2.625,12.828,1.953,12,1.953z"/>
+  </symbol>
+
+  <use id="pause" xlink:href="#pause-shape"/>
+  <use id="pause-hover" xlink:href="#pause-shape"/>
+  <use id="pause-active" xlink:href="#pause-shape"/>
+  <use id="pause-focus" xlink:href="#pause-shape"/>
+  <use id="pause-disalbed" xlink:href="#pause-shape"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/global/media/pauseButton@2x.png b/arc-firefox-theme/chrome/global/media/pauseButton@2x.png
deleted file mode 100644
index df22919..0000000
--- a/arc-firefox-theme/chrome/global/media/pauseButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/playButton.png b/arc-firefox-theme/chrome/global/media/playButton.png
deleted file mode 100644
index 11e2731..0000000
--- a/arc-firefox-theme/chrome/global/media/playButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/playButton.svg b/arc-firefox-theme/chrome/global/media/playButton.svg
new file mode 100644
index 0000000..dc20c61
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/media/playButton.svg
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="18px" height="18px" viewBox="0 0 18 18">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #ffffff;
+    }
+    use[id$="-hover"] {
+      fill: #48a0f7;
+    }
+    use[id$="-active"] {
+      fill: #2d89e6;
+    }
+    use[id$="-focus"] {
+      fill: #48a0f7;
+    }
+    use[id$="-disabled"] {
+      fill: #ffffff;
+    }
+    use[id$="-clicktoplay"] {
+      fill: #000000;
+    }
+  </style>
+
+  <symbol id="play-shape">
+    <path d="M3.243,15.155c0,0.845,0.593,1.157,1.317,0.707l9.659-6.041c0.727-0.453,0.722-1.193,0-1.645L4.556,2.137
+    C3.827,1.682,3.237,2.014,3.237,2.844v12.312H3.243z"/>
+  </symbol>
+
+  <use id="play" xlink:href="#play-shape"/>
+  <use id="play-hover" xlink:href="#play-shape"/>
+  <use id="play-active" xlink:href="#play-shape"/>
+  <use id="play-focus" xlink:href="#play-shape"/>
+  <use id="play-clicktoplay" xlink:href="#play-shape"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/global/media/playButton@2x.png b/arc-firefox-theme/chrome/global/media/playButton@2x.png
deleted file mode 100644
index fb20075..0000000
--- a/arc-firefox-theme/chrome/global/media/playButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/scrubberThumb.png b/arc-firefox-theme/chrome/global/media/scrubberThumb.png
deleted file mode 100644
index f159627..0000000
--- a/arc-firefox-theme/chrome/global/media/scrubberThumb.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/scrubberThumb@2x.png b/arc-firefox-theme/chrome/global/media/scrubberThumb@2x.png
deleted file mode 100644
index f8790f4..0000000
--- a/arc-firefox-theme/chrome/global/media/scrubberThumb@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/scrubberThumbWide.png b/arc-firefox-theme/chrome/global/media/scrubberThumbWide.png
deleted file mode 100644
index 96d2ed7..0000000
--- a/arc-firefox-theme/chrome/global/media/scrubberThumbWide.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/scrubberThumbWide@2x.png b/arc-firefox-theme/chrome/global/media/scrubberThumbWide@2x.png
deleted file mode 100644
index 52c9d72..0000000
--- a/arc-firefox-theme/chrome/global/media/scrubberThumbWide@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/unmuteButton.png b/arc-firefox-theme/chrome/global/media/unmuteButton.png
deleted file mode 100644
index 5b76e2f..0000000
--- a/arc-firefox-theme/chrome/global/media/unmuteButton.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/unmuteButton@2x.png b/arc-firefox-theme/chrome/global/media/unmuteButton@2x.png
deleted file mode 100644
index 86f2185..0000000
--- a/arc-firefox-theme/chrome/global/media/unmuteButton@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/videocontrols.css b/arc-firefox-theme/chrome/global/media/videocontrols.css
index 6907620..03a050e 100644
--- a/arc-firefox-theme/chrome/global/media/videocontrols.css
+++ b/arc-firefox-theme/chrome/global/media/videocontrols.css
@@ -2,271 +2,369 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
-@namespace html url("http://www.w3.org/1999/xhtml");
+@namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace url("http://www.w3.org/1999/xhtml");
+
+video > xul|videocontrols,
+audio > xul|videocontrols {
+  writing-mode: horizontal-tb;
+  width: 100%;
+  height: 100%;
+  display: inline-block;
+}
+
+.controlsContainer [hidden="true"],
+.controlBar[hidden] {
+  display: none;
+}
+
+.controlBar[size="hidden"] {
+  display: none;
+}
+
+.controlsSpacer[hideCursor] {
+  cursor: none;
+}
+
+.controlsContainer,
+.progressContainer {
+  position: relative;
+  height: 100%;
+}
+
+.stackItem {
+  position: absolute;
+  left: 0;
+  bottom: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.statusOverlay {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  background-color: rgb(80,80,80);
+}
+
+.controlsOverlay {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  position: relative;
+}
+
+.controlsSpacerStack {
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+  justify-content: center;
+  align-items: center;
+}
+
+.controlsSpacer {
+  background-color: rgba(255,255,255,.4);
+}
 
 .controlBar {
-  height: 28px;
-  background-color: rgba(35,31,32,.74);
+  position: relative;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  overflow: hidden;
+  height: 40px;
+  padding: 0 9px;
+  background-color: rgba(26,26,26,.8);
 }
 
 .playButton,
 .muteButton,
 .closedCaptionButton,
 .fullscreenButton {
+  height: 100%;
+  min-height: 30px;
+  min-width: 30px;
+  padding: 6px;
+  border: 0;
+  margin: 0;
   background-color: transparent;
   background-repeat: no-repeat;
   background-position: center;
-  -moz-appearance: none;   /* Remove the native button appearance and styling */
-  margin: 0;
-  padding: 0;
-  min-height: 28px;
-  min-width: 28px;
-  border: none;
-  opacity: 0.7;
+  background-origin: content-box;
+  background-clip: content-box;
 }
 
-.playButton:hover,
-.muteButton:hover,
-.closedCaptionButton:hover,
-.fullscreenButton:hover {
-  opacity: 1;
+.playButton {
+  background-image: url(chrome://global/skin/media/pauseButton.svg#pause);
 }
-
-.playButton:hover:active,
-.muteButton:hover:active,
-.closedCaptionButton:hover:active,
-.fullscreenButton:hover:active {
-  opacity: 0.4;
+.playButton:hover {
+  background-image: url(chrome://global/skin/media/pauseButton.svg#pause-hover);
 }
-
-.playButton {
-  background-image: url(chrome://global/skin/media/pauseButton.png);
-  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:hover:active {
+  background-image: url(chrome://global/skin/media/pauseButton.svg#pause-active);
 }
-
 .playButton[paused] {
-  background-image: url(chrome://global/skin/media/playButton.png);
+  background-image: url(chrome://global/skin/media/playButton.svg#play);
+}
+.playButton[paused]:hover {
+  background-image: url(chrome://global/skin/media/playButton.svg#play-hover);
+}
+.playButton[paused]:hover:active {
+  background-image: url(chrome://global/skin/media/playButton.svg#play-active);
 }
 
 .muteButton {
-  background-image: url(chrome://global/skin/media/muteButton.png);
-  min-width: 33px;
+  background-image: url(chrome://global/skin/media/muteButton.svg#unmute);
+}
+.muteButton:hover {
+  background-image: url(chrome://global/skin/media/muteButton.svg#unmute-hover);
+}
+.muteButton:hover:active {
+  background-image: url(chrome://global/skin/media/muteButton.svg#unmute-active);
 }
 .muteButton[muted] {
-  background-image: url(chrome://global/skin/media/unmuteButton.png);
+  background-image: url(chrome://global/skin/media/muteButton.svg#mute);
 }
-
-.muteButton[noAudio] {
-  background-image: url(chrome://global/skin/media/noAudio.png);
+.muteButton[muted]:hover {
+  background-image: url(chrome://global/skin/media/muteButton.svg#mute-hover);
+}
+.muteButton[muted]:hover:active {
+  background-image: url(chrome://global/skin/media/muteButton.svg#mute-active);
+}
+.muteButton[noAudio],
+.muteButton[noAudio]:hover,
+.muteButton[noAudio]:hover:active {
+  background-image: url(chrome://global/skin/media/muteButton.svg#noaudio);
 }
-
 .muteButton[noAudio] + .volumeStack {
   display: none;
 }
 
 .closedCaptionButton {
-  background-image: url(chrome://global/skin/media/closeCaptionButton.png);
-  background-position: 4px;
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc-off);
+}
+.closedCaptionButton:hover {
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc-off-hover);
+}
+.closedCaptionButton:hover:active {
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc-off-active);
 }
-
 .closedCaptionButton[enabled] {
-  opacity: 1;
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc);
 }
-
-.closedCaptionButton[hidden] {
-  display: none;
+.closedCaptionButton[enabled]:hover {
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc-hover);
+}
+.closedCaptionButton[enabled]:hover:active {
+  background-image: url(chrome://global/skin/media/closedCaptionButton.svg#cc-active);
 }
 
 .fullscreenButton {
-  background-image: -moz-image-rect(url("chrome://global/skin/media/fullscreenButton.png"), 0, 16, 16, 0);
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#fullscreen);
+}
+.fullscreenButton:hover {
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#fullscreen-hover);
+}
+.fullscreenButton:hover:active {
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#fullscreen-active);
 }
-
 .fullscreenButton[fullscreened] {
-  background-image: -moz-image-rect(url("chrome://global/skin/media/fullscreenButton.png"), 0, 32, 16, 16);
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#unfullscreen);
+}
+.fullscreenButton[fullscreened]:hover {
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#unfullscreen-hover);
+}
+.fullscreenButton[fullscreened]:hover:active {
+  background-image: url(chrome://global/skin/media/fullscreenButton.svg#unfullscreen-active);
 }
 
-.volumeControl {
-  width: 32px;
-  opacity: 0;
+.controlBarSpacer {
+  flex-grow: 1;
 }
 
-.volumeBackground,
-.volumeForeground {
-  background-repeat: no-repeat;
-  background-position: center;
-  width: 32px;
+.volumeControl::-moz-range-thumb,
+.scrubber::-moz-range-thumb {
+  height: 13px;
+  width: 13px;
+  border: none;
+  border-radius: 50%;
+  background-color: #ffffff;
+  filter: drop-shadow(0px 0px 2px rgba(0,0,0,0.65));
 }
 
-.volumeBackground {
-  background-image: url(chrome://global/skin/media/volume-empty.png);
+.volumeControl::-moz-focus-outer,
+.scrubber::-moz-focus-outer {
+  border: 0;
 }
 
-.volumeForeground {
-  background-image: url(chrome://global/skin/media/volume-full.png);
-  background-clip: content-box;
+.progressBackgroundBar {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
 }
 
-.textTrackList {
-  display: -moz-box;
-  -moz-appearance: none;
-  -moz-box-pack: end;
-  -moz-box-align: end;
-  padding: 0;
+.progressStack {
+  position: relative;
+  width: 100%;
+  height: 5px;
 }
 
-.textTrackList[hidden] {
-  display: none;
+.scrubberStack {
+  min-width: 48px;
+  flex-basis: 48px;
+  flex-grow: 2;
+  flex-shrink: 0;
+  margin: 0 9px;
 }
 
-.textTrackList > html|*.textTrackItem {
-  -moz-appearance: none;
-  -moz-box-align: start;
-  text-align: start;
-  overflow: hidden;
+.volumeStack {
+  max-width: 60px;
+  min-width: 48px;
+  flex-grow: 1;
+  flex-shrink: 0;
+  margin-right: 6px;
+  margin-left: 4px;
+}
+
+.bufferBar,
+.progressBar,
+.scrubber,
+.volumeBackground,
+.volumeControl {
+  bottom: 0;
+  left: 0;
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  padding: 0;
+  border: 0;
+  border-radius: 2.5px;
   margin: 0;
-  padding: 2px 10px;
-  -moz-margin-end: 10px;
-  border: none;
-  color: rgba(255,255,255,.5);
-  background-color: rgba(35,31,32,.74);
-  white-space: nowrap;
+  background: none;
+  background-color: transparent;
 }
 
-.textTrackList > html|*.textTrackItem[on] {
-  color: white;
-  background-color: black;
+.bufferBar,
+.volumeBackground {
+  background-color: rgba(0,0,0,0.7);
 }
 
-.textTrackList > html|*.textTrackItem:hover {
-  background-color: rgba(0,0,0,.55);
+.bufferBar::-moz-progress-bar,
+.progressBar::-moz-progress-bar,
+.volumeBackground::-moz-meter-bar {
+  height: 100%;
+  padding: 0;
+  margin: 0;
+  border: 0;
+  border-radius: 2.5px;
+  background: none;
 }
 
-.controlBar[fullscreen-unavailable] {
-  /* This value is duplicated in the videocontrols.xml adjustControlSize function. */
-  padding-inline-end: 8px;
+.scrubber:hover::-moz-range-thumb,
+.volumeControl:hover::-moz-range-thumb {
+  background-color: #48a0f7;
 }
 
-.volumeControl .scale-thumb {
-  min-width: 0;
-  opacity: 0;
+.scrubber:active::-moz-range-thumb,
+.volumeControl:active::-moz-range-thumb {
+  background-color: #2d89e6;
 }
 
-.durationBox {
-  -moz-box-pack: center;
+.scrubber::-moz-range-track,
+.scrubber::-moz-range-progress {
+  background-color: transparent;
 }
 
-.durationLabel {
-  margin-left: -22px; /* 1/2 of scrubber thumb width, for overhang. */
-  padding-left: 8px; /* don't bump into the scrubber bar */
-  color: rgba(255,255,255,.75);
-  font: message-box;
-  font-size: 11px;
+.volumeControl::-moz-range-progress,
+.volumeControl::-moz-range-track {
+  height: 5px;
+  border-radius: 2.5px;
 }
 
-.durationLabel {
-  padding-top: 0; /* center vertically with scrubber bar */
+.volumeControl::-moz-range-progress {
+  background-color: #ffffff;
 }
 
-.positionLabel {
-  display: none;
+.volumeControl::-moz-range-track {
+  background-color: rgba(0,0,0,0.7);
 }
 
-.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);
+
+.bufferBar::-moz-progress-bar {
+  background-color: rgba(255,255,255,0.3);
   border-radius: 2.5px;
 }
 
-.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;
-  border: none;
-  background-color: transparent;
-  min-width: 0;
-  min-height: 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: 2.5px;
-  -moz-appearance: none;
+.progressBar::-moz-progress-bar {
+  background-color: #00b6f0;
 }
 
-.progressBar .progress-bar {
-  background-color: white;
+.textTrackList {
+  position: absolute;
+  right: 5px;
+  bottom: 45px;
+  max-width: 80%;
+  border: 1px solid #000000;
   border-radius: 2.5px;
-  -moz-appearance: none;
+  padding: 5px 0;
+  vertical-align: middle;
+  font-size: 12px;
+  background-color: #000000;
+  opacity: 0.7;
 }
 
-/* .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;
+.textTrackList > .textTrackItem {
+  display: block;
+  width: 100%;
+  height: 30px;
+  padding: 2px 10px;
+  border: none;
   margin: 0;
+  white-space: nowrap;
+  overflow: hidden;
+  text-align: left;
+  text-overflow: ellipsis;
+  color: #ffffff;
+  background-color: transparent;
 }
 
-.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,
-.volumeControl .scale-thumb {
-  /* Override the default thumb appearance with a custom image. */
-  -moz-appearance: none;
-  background: transparent;
-  border: none;
+.textTrackList > .textTrackItem:hover {
+  background-color: #444444;
 }
 
-.timeThumb {
-  background: url(chrome://global/skin/media/scrubberThumb.png) no-repeat center;
-  min-width: 45px;
-  min-height: 28px;
-  -moz-box-pack: center;
+.textTrackList > .textTrackItem[on] {
+  color: #48a0f7;
 }
 
-.timeThumb[showhours="true"] {
-  background-image: url(chrome://global/skin/media/scrubberThumbWide.png);
+.positionLabel,
+.durationLabel {
+  display: none;
 }
 
-.timeLabel {
-  color: rgba(255,255,255,.75);
+.positionDurationBox {
+  text-align: center;
+  padding-inline-start: 1px;
+  padding-inline-end: 9px;
+  white-space: nowrap;
   font: message-box;
-  font-size: 10px;
-  text-shadow: rgba(0,0,0,.3) 0 1px;
-  padding-top: 7px;
+  font-size: 13px;
+  font-size-adjust: 0.55;
+  color: #ffffff;
 }
 
-.timeLabel {
-  padding-top: 5px; /* center vertically with scrubber bar */
-}
 
-.statusOverlay {
-  -moz-box-align: center;
-  -moz-box-pack: center;
-  background-color: rgba(0,0,0,.55);
+.duration {
+  display: inline-block;
+  white-space: pre;
+  color: #929292;
 }
 
 .statusIcon {
-  margin-bottom: 28px; /* same height as .controlBar, to keep icon centered above it */
   width: 36px;
   height: 36px;
+  margin-bottom: 20px;
 }
 
 .statusIcon[type="throbber"] {
@@ -278,61 +376,55 @@
 }
 
 .statusIcon[type="error"] {
+  min-width: 70px;
+  min-height: 60px;
   background: url(chrome://global/skin/media/error.png) no-repeat center;
+  background-size: contain;
 }
 
 /* Overlay Play button */
 .clickToPlay {
-  width: 64px;
-  height: 64px;
-  -moz-box-pack: center;
-  -moz-box-align: center;
-  opacity: 0.7;
-  background-image: url(chrome://global/skin/media/clicktoplay-bgtexture.png),
-                    url(chrome://global/skin/media/videoClickToPlayButton.svg);
-  background-repeat: repeat, no-repeat;
-  background-position: center, center;
-  background-size: auto, 64px 64px;
-  background-color: hsla(0,0%,10%,.5);
+  min-width: 48px;
+  min-height: 48px;
+  border-radius: 50%;
+  background-image: url(chrome://global/skin/media/playButton.svg#play);
+  background-repeat: no-repeat;
+  background-position: 54% 50%;
+  background-size: 40% 40%;
+  background-color: #1a1a1a;
+  opacity: 0.8;
+  position: relative;
+  top: 20px;
 }
+
+.controlsSpacerStack:hover > .clickToPlay,
 .clickToPlay:hover {
-  opacity: 1;
+  opacity: 0.55;
 }
 
-/* Statistics formatting */
-html|*.statsDiv {
-  position: relative;
+.controlsSpacerStack:hover > .clickToPlay[fadeout] {
+  opacity: 0;
 }
-html|td {
-  height: 1em;
-  max-height: 1em;
-  padding: 0 2px;
-}
-html|table {
-  font-family: Helvetica, Arial, sans-serif;
-  font-size: 11px;
-  color: white;
-  text-shadow:
-    -1px -1px 0 #000,
-    1px -1px 0 #000,
-    -1px 1px 0 #000,
-    1px 1px 0 #000;
-  min-width: 100%;
-  background: rgba(68,68,68,.7);
-  table-layout: fixed;
-  border-collapse: collapse;
-  position: absolute;
+
+.controlBar[fullscreen-unavailable] .fullscreenButton {
+  display: none;
 }
 
 /* CSS Transitions */
 .clickToPlay {
-  transition-property: opacity, background-size;
+  transition-property: transform, opacity;
   transition-duration: 400ms, 400ms;
 }
+
+.controlsSpacer[fadeout] {
+  opacity: 0;
+}
+
 .clickToPlay[fadeout] {
-  background-size: auto, 192px 192px;
+  transform: scale(3);
   opacity: 0;
 }
+
 .clickToPlay[fadeout][immediate] {
   transition-property: opacity, background-size;
   transition-duration: 0s, 0s;
@@ -348,10 +440,6 @@ html|table {
   transition-property: opacity, margin-top;
   transition-duration: 200ms, 200ms;
 }
-.volumeStack[fadeout] {
-  opacity: 0;
-  margin-top: 0;
-}
 .statusOverlay:not([immediate]) {
   transition-property: opacity;
   transition-duration: 300ms;
@@ -363,66 +451,22 @@ html|table {
 
 /* Error description formatting */
 .errorLabel {
-  font-family: Helvetica, Arial, sans-serif;
-  font-size: 11px;
-  color: #bbb;
-  text-shadow:
-    -1px -1px 0 #000,
-    1px -1px 0 #000,
-    -1px 1px 0 #000,
-    1px 1px 0 #000;
   padding: 0 10px;
   text-align: center;
+  font: message-box;
+  font-size: 14px;
+  color: #ffffff;
+}
+
+.errorLabel {
+  display: none;
 }
 
-@media (min-resolution: 2dppx) {
-  .playButton {
-    background-image: url(chrome://global/skin/media/pauseButton@2x.png);
-    background-size: 28px 28px;
-  }
-  .playButton[paused] {
-    background-image: url(chrome://global/skin/media/playButton@2x.png);
-    background-size: 28px 28px;
-  }
-  .volumeBackground {
-    background-image: url(chrome://global/skin/media/volume-empty@2x.png);
-    background-size: 32px 16px;
-  }
-  .volumeForeground {
-    background-image: url(chrome://global/skin/media/volume-full@2x.png);
-    background-size: 32px 16px;
-  }
-  .muteButton {
-    background-image: url(chrome://global/skin/media/muteButton@2x.png);
-    background-size: 33px 28px;
-  }
-  .muteButton[muted] {
-    background-image: url(chrome://global/skin/media/unmuteButton@2x.png);
-    background-size: 33px 28px;
-  }
-  .muteButton[noAudio] {
-    background-image: url(chrome://global/skin/media/noAudio@2x.png);
-    background-size: 33px 28px;
-  }
-  .closedCaptionButton {
-    background-image: url(chrome://global/skin/media/closeCaptionButton@2x.png);
-    background-position: 4px;
-    background-size: 28px 28px;
-  }
-  .fullscreenButton {
-    background-image: -moz-image-rect(url("chrome://global/skin/media/fullscreenButton@2x.png"), 0, 32, 32, 0);
-    background-size: 16px 16px;
-  }
-  .fullscreenButton[fullscreened] {
-    background-image: -moz-image-rect(url("chrome://global/skin/media/fullscreenButton@2x.png"), 0, 64, 32, 32);
-    background-size: 16px 16px;
-  }
-  .timeThumb {
-    background-image: url(chrome://global/skin/media/scrubberThumb@2x.png);
-    background-size: 33px 28px;
-  }
-  .timeThumb[showhours="true"] {
-    background-image: url(chrome://global/skin/media/scrubberThumbWide@2x.png);
-    background-size: 45px 28px;
-  }
+[error="errorAborted"]         > [anonid="errorAborted"],
+[error="errorNetwork"]         > [anonid="errorNetwork"],
+[error="errorDecode"]          > [anonid="errorDecode"],
+[error="errorSrcNotSupported"] > [anonid="errorSrcNotSupported"],
+[error="errorNoSource"]        > [anonid="errorNoSource"],
+[error="errorGeneric"]         > [anonid="errorGeneric"] {
+  display: inline;
 }
diff --git a/arc-firefox-theme/chrome/global/media/volume-empty.png b/arc-firefox-theme/chrome/global/media/volume-empty.png
deleted file mode 100644
index 589abfb..0000000
--- a/arc-firefox-theme/chrome/global/media/volume-empty.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/volume-empty@2x.png b/arc-firefox-theme/chrome/global/media/volume-empty@2x.png
deleted file mode 100644
index ca494e8..0000000
--- a/arc-firefox-theme/chrome/global/media/volume-empty@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/volume-full.png b/arc-firefox-theme/chrome/global/media/volume-full.png
deleted file mode 100644
index 4398a56..0000000
--- a/arc-firefox-theme/chrome/global/media/volume-full.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/media/volume-full@2x.png b/arc-firefox-theme/chrome/global/media/volume-full@2x.png
deleted file mode 100644
index 5bf63c7..0000000
--- a/arc-firefox-theme/chrome/global/media/volume-full@2x.png
+++ /dev/null