diff --git a/dist/ass.esm.js b/dist/ass.esm.js
index 2acced3..55ac889 100644
--- a/dist/ass.esm.js
+++ b/dist/ass.esm.js
@@ -488,7 +488,7 @@ function compileTag(tag, key, presets) {
     return null;
   }
   if (key === 'pos' || key === 'org') {
-    return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj) : null;
+    return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj ) : null;
   }
   if (key === 'move') {
     var x1 = value[0];
@@ -546,7 +546,7 @@ function compileTag(tag, key, presets) {
     return { xshad: value, yshad: value };
   }
   if (/^c\d$/.test(key)) {
-    return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1);
+    return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1 );
   }
   if (key === 'alpha') {
     return { a1: value, a2: value, a3: value, a4: value };
@@ -575,7 +575,7 @@ function compileTag(tag, key, presets) {
     });
     return { t: { t1: t1$3, t2: t2$3, accel: accel, tag: compiledTag } };
   }
-  return ( obj$2 = {}, obj$2[key] = value, obj$2);
+  return ( obj$2 = {}, obj$2[key] = value, obj$2 );
 }
 
 var a2an = [
@@ -841,17 +841,19 @@ function compile(text, options) {
   };
 }
 
-var raf =
-  window.requestAnimationFrame ||
-  window.mozRequestAnimationFrame ||
-  window.webkitRequestAnimationFrame ||
-  (function (cb) { return setTimeout(cb, 50 / 3); });
+var raf = (
+  window.requestAnimationFrame
+  || window.mozRequestAnimationFrame
+  || window.webkitRequestAnimationFrame
+  || (function (cb) { return setTimeout(cb, 50 / 3); })
+);
 
-var caf =
-  window.cancelAnimationFrame ||
-  window.mozCancelAnimationFrame ||
-  window.webkitCancelAnimationFrame ||
-  clearTimeout;
+var caf = (
+  window.cancelAnimationFrame
+  || window.mozCancelAnimationFrame
+  || window.webkitCancelAnimationFrame
+  || clearTimeout
+);
 
 function color2rgba(c) {
   var t = c.match(/(\w\w)(\w\w)(\w\w)(\w\w)/);
@@ -901,6 +903,11 @@ var vendor = {
   clipPath: getVendor('clipPath'),
 };
 
+function getStyleRoot(container) {
+  var rootNode = container.getRootNode ? container.getRootNode() : document;
+  return rootNode === document ? rootNode.head : rootNode;
+}
+
 var strokeTags = ['c3', 'a3', 'c4', 'a4', 'xbord', 'ybord', 'xshad', 'yshad', 'blur', 'be'];
 var transformTags = ['fscx', 'fscy', 'frx', 'fry', 'frz', 'fax', 'fay'];
 
@@ -1155,10 +1162,12 @@ function getKeyframeString(name, list) {
 var KeyframeBlockList = function KeyframeBlockList() {
   this.obj = {};
 };
+
 KeyframeBlockList.prototype.set = function set (keyText, prop, value) {
   if (!this.obj[keyText]) { this.obj[keyText] = {}; }
   this.obj[keyText][prop] = value;
 };
+
 KeyframeBlockList.prototype.setT = function setT (ref) {
     var t1 = ref.t1;
     var t2 = ref.t2;
@@ -1176,6 +1185,7 @@ KeyframeBlockList.prototype.setT = function setT (ref) {
   }
   this.set('100.000%', prop, to);
 };
+
 KeyframeBlockList.prototype.toString = function toString () {
     var this$1 = this;
 
@@ -1317,10 +1327,10 @@ function getKeyframes() {
             kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'letter-spacing', from: from$1, to: to$1 });
           }
           var hasAlpha = (
-            tag.a1 !== undefined &&
-            tag.a1 === tag.a2 &&
-            tag.a2 === tag.a3 &&
-            tag.a3 === tag.a4
+            tag.a1 !== undefined
+            && tag.a1 === tag.a2
+            && tag.a2 === tag.a3
+            && tag.a3 === tag.a4
           );
           if (tag.c1 || (tag.a1 && !hasAlpha)) {
             var from$2 = color2rgba(fromTag.a1 + fromTag.c1);
@@ -1333,8 +1343,8 @@ function getKeyframes() {
             kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'opacity', from: from$3, to: to$3 });
           }
           var hasStroke = strokeTags.some(function (x) { return (
-            tag[x] !== undefined &&
-            tag[x] !== (fragment.tag[x] || slice.tag[x])
+            tag[x] !== undefined
+            && tag[x] !== (fragment.tag[x] || slice.tag[x])
           ); });
           if (hasStroke) {
             var scale = /Yes/i.test(this$1.info.ScaledBorderAndShadow) ? this$1.scale : 1;
@@ -1343,8 +1353,8 @@ function getKeyframes() {
             kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'text-shadow', from: from$4, to: to$4 });
           }
           var hasTransfrom = transformTags.some(function (x) { return (
-            tag[x] !== undefined &&
-            tag[x] !== (fragment.tag[x] || slice.tag[x])
+            tag[x] !== undefined
+            && tag[x] !== (fragment.tag[x] || slice.tag[x])
           ); });
           if (hasTransfrom) {
             var toTag = assign({}, fromTag, tag);
@@ -1374,12 +1384,12 @@ function getKeyframes() {
 function createAnimation(name, duration, delay) {
   var va = vendor.animation;
   return (
-    va + "animation-name:" + name + ";" +
-    va + "animation-duration:" + duration + "s;" +
-    va + "animation-delay:" + delay + "s;" +
-    va + "animation-timing-function:linear;" +
-    va + "animation-iteration-count:1;" +
-    va + "animation-fill-mode:forwards;"
+    va + "animation-name:" + name + ";"
+    + va + "animation-duration:" + duration + "s;"
+    + va + "animation-delay:" + delay + "s;"
+    + va + "animation-timing-function:linear;"
+    + va + "animation-iteration-count:1;"
+    + va + "animation-fill-mode:forwards;"
   );
 }
 
@@ -1419,9 +1429,9 @@ function createDrawing(fragment, styleTag) {
     ['xlink:href', ("#" + symbolId)],
     ['filter', ("url(#" + filterId + ")")] ]));
   $svg.style.cssText = (
-    'position:absolute;' +
-    "left:" + (minX * scaleX - vbx) + "px;" +
-    "top:" + (minY * scaleY - vby) + "px;"
+    'position:absolute;'
+    + "left:" + (minX * scaleX - vbx) + "px;"
+    + "top:" + (minY * scaleY - vby) + "px;"
   );
   return {
     $svg: $svg,
@@ -1467,8 +1477,8 @@ function createDialogue(dialogue) {
         }
         if (borderStyle === 3) {
           cssText += (
-            "background-color:" + (color2rgba(tag.a3 + tag.c3)) + ";" +
-            "box-shadow:" + (createCSSStroke(tag, scale)) + ";"
+            "background-color:" + (color2rgba(tag.a3 + tag.c3)) + ";"
+            + "box-shadow:" + (createCSSStroke(tag, scale)) + ";"
           );
         }
         cssText += tag.b ? ("font-weight:" + (tag.b === 1 ? 'bold' : tag.b) + ";") : '';
@@ -1555,19 +1565,19 @@ function allocate(dialogue) {
     var re = channel.right.end[y];
     return (
       (align === 'left' && (
-        (le > vct && lw) ||
-        (ce > vct && cw && 2 * width + cw > stageWidth) ||
-        (re > vct && rw && width + rw > stageWidth)
-      )) ||
-      (align === 'center' && (
-        (le > vct && lw && 2 * lw + width > stageWidth) ||
-        (ce > vct && cw) ||
-        (re > vct && rw && 2 * rw + width > stageWidth)
-      )) ||
-      (align === 'right' && (
-        (le > vct && lw && lw + width > stageWidth) ||
-        (ce > vct && cw && 2 * width + cw > stageWidth) ||
-        (re > vct && rw)
+        (le > vct && lw)
+        || (ce > vct && cw && 2 * width + cw > stageWidth)
+        || (re > vct && rw && width + rw > stageWidth)
+      ))
+      || (align === 'center' && (
+        (le > vct && lw && 2 * lw + width > stageWidth)
+        || (ce > vct && cw)
+        || (re > vct && rw && 2 * rw + width > stageWidth)
+      ))
+      || (align === 'right' && (
+        (le > vct && lw && lw + width > stageWidth)
+        || (ce > vct && cw && 2 * width + cw > stageWidth)
+        || (re > vct && rw)
       ))
     );
   };
@@ -1731,8 +1741,8 @@ function framing() {
   }
   var dias = this.dialogues;
   while (
-    this._.index < dias.length &&
-    vct >= dias[this._.index].start
+    this._.index < dias.length
+    && vct >= dias[this._.index].start
   ) {
     if (vct < dias[this$1._.index].end) {
       var dia$1 = renderer.call(this$1, dias[this$1._.index]);
@@ -1787,8 +1797,8 @@ function seek() {
     if (!from) { return 0; }
     for (var i = from; i < to; i++) {
       if (
-        dias[i].end > vct && vct >= dias[i].start ||
-        i && dias[i - 1].end < vct && vct < dias[i].start
+        dias[i].end > vct && vct >= dias[i].start
+        || (i && dias[i - 1].end < vct && vct < dias[i].start)
       ) {
         return i;
       }
@@ -1847,10 +1857,10 @@ function resize() {
 
   this.container.style.cssText = "width:" + cw + "px;height:" + ch + "px;";
   var cssText = (
-    "width:" + (this.width) + "px;" +
-    "height:" + (this.height) + "px;" +
-    "top:" + ((ch - this.height) / 2) + "px;" +
-    "left:" + ((cw - this.width) / 2) + "px;"
+    "width:" + (this.width) + "px;"
+    + "height:" + (this.height) + "px;"
+    + "top:" + ((ch - this.height) / 2) + "px;"
+    + "left:" + ((cw - this.width) / 2) + "px;"
   );
   this._.$stage.style.cssText = cssText;
   this._.$svg.style.cssText = cssText;
@@ -1882,9 +1892,6 @@ function init(source, video, options) {
   };
   this._.$svg.appendChild(this._.$defs);
   this._.$stage.className = 'ASS-stage ASS-animation-paused';
-  this._.$animation.type = 'text/css';
-  this._.$animation.className = 'ASS-animation';
-  document.head.appendChild(this._.$animation);
 
   this._.resampling = options.resampling || 'video_height';
 
@@ -1918,14 +1925,18 @@ function init(source, video, options) {
   };
   this.dialogues = dialogues;
 
-  var $style = document.getElementById('ASS-global-style');
+  var styleRoot = getStyleRoot(this.container);
+  var $style = styleRoot.querySelector('#ASS-global-style');
   if (!$style) {
     $style = document.createElement('style');
     $style.type = 'text/css';
     $style.id = 'ASS-global-style';
     $style.appendChild(document.createTextNode(GLOBAL_CSS));
-    document.head.appendChild($style);
+    styleRoot.appendChild($style);
   }
+  this._.$animation.type = 'text/css';
+  this._.$animation.className = 'ASS-animation';
+  styleRoot.appendChild(this._.$animation);
 
   resize.call(this);
 
@@ -1953,6 +1964,8 @@ function destroy() {
   pause.call(this);
   clear.call(this);
   unbindEvents.call(this, this._.listener);
+
+  var styleRoot = getStyleRoot(this.container);
   if (!this._.hasInitContainer) {
     var isPlay = !this.video.paused;
     this.container.parentNode.insertBefore(this.video, this.container);
@@ -1961,7 +1974,8 @@ function destroy() {
       this.video.play();
     }
   }
-  document.head.removeChild(this._.$animation);
+  styleRoot.removeChild(this._.$animation);
+
   // eslint-disable-next-line no-restricted-syntax
   for (var key in this$1) {
     if (Object.prototype.hasOwnProperty.call(this$1, key)) {
@@ -1995,21 +2009,27 @@ var ASS = function ASS(source, video, options) {
 };
 
 var prototypeAccessors = { resampling: { configurable: true } };
+
 ASS.prototype.resize = function resize$1 () {
   return resize.call(this);
 };
+
 ASS.prototype.show = function show$1 () {
   return show.call(this);
 };
+
 ASS.prototype.hide = function hide$1 () {
   return hide.call(this);
 };
+
 ASS.prototype.destroy = function destroy$1 () {
   return destroy.call(this);
 };
+
 prototypeAccessors.resampling.get = function () {
   return getter.call(this);
 };
+
 prototypeAccessors.resampling.set = function (r) {
   return setter.call(this, r);
 };
diff --git a/dist/ass.js b/dist/ass.js
index f48a12d..72cef93 100644
--- a/dist/ass.js
+++ b/dist/ass.js
@@ -494,7 +494,7 @@
       return null;
     }
     if (key === 'pos' || key === 'org') {
-      return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj) : null;
+      return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj ) : null;
     }
     if (key === 'move') {
       var x1 = value[0];
@@ -552,7 +552,7 @@
       return { xshad: value, yshad: value };
     }
     if (/^c\d$/.test(key)) {
-      return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1);
+      return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1 );
     }
     if (key === 'alpha') {
       return { a1: value, a2: value, a3: value, a4: value };
@@ -581,7 +581,7 @@
       });
       return { t: { t1: t1$3, t2: t2$3, accel: accel, tag: compiledTag } };
     }
-    return ( obj$2 = {}, obj$2[key] = value, obj$2);
+    return ( obj$2 = {}, obj$2[key] = value, obj$2 );
   }
 
   var a2an = [
@@ -847,17 +847,19 @@
     };
   }
 
-  var raf =
-    window.requestAnimationFrame ||
-    window.mozRequestAnimationFrame ||
-    window.webkitRequestAnimationFrame ||
-    (function (cb) { return setTimeout(cb, 50 / 3); });
+  var raf = (
+    window.requestAnimationFrame
+    || window.mozRequestAnimationFrame
+    || window.webkitRequestAnimationFrame
+    || (function (cb) { return setTimeout(cb, 50 / 3); })
+  );
 
-  var caf =
-    window.cancelAnimationFrame ||
-    window.mozCancelAnimationFrame ||
-    window.webkitCancelAnimationFrame ||
-    clearTimeout;
+  var caf = (
+    window.cancelAnimationFrame
+    || window.mozCancelAnimationFrame
+    || window.webkitCancelAnimationFrame
+    || clearTimeout
+  );
 
   function color2rgba(c) {
     var t = c.match(/(\w\w)(\w\w)(\w\w)(\w\w)/);
@@ -907,6 +909,11 @@
     clipPath: getVendor('clipPath'),
   };
 
+  function getStyleRoot(container) {
+    var rootNode = container.getRootNode ? container.getRootNode() : document;
+    return rootNode === document ? rootNode.head : rootNode;
+  }
+
   var strokeTags = ['c3', 'a3', 'c4', 'a4', 'xbord', 'ybord', 'xshad', 'yshad', 'blur', 'be'];
   var transformTags = ['fscx', 'fscy', 'frx', 'fry', 'frz', 'fax', 'fay'];
 
@@ -1161,10 +1168,12 @@
   var KeyframeBlockList = function KeyframeBlockList() {
     this.obj = {};
   };
+
   KeyframeBlockList.prototype.set = function set (keyText, prop, value) {
     if (!this.obj[keyText]) { this.obj[keyText] = {}; }
     this.obj[keyText][prop] = value;
   };
+
   KeyframeBlockList.prototype.setT = function setT (ref) {
       var t1 = ref.t1;
       var t2 = ref.t2;
@@ -1182,6 +1191,7 @@
     }
     this.set('100.000%', prop, to);
   };
+
   KeyframeBlockList.prototype.toString = function toString () {
       var this$1 = this;
 
@@ -1323,10 +1333,10 @@
               kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'letter-spacing', from: from$1, to: to$1 });
             }
             var hasAlpha = (
-              tag.a1 !== undefined &&
-              tag.a1 === tag.a2 &&
-              tag.a2 === tag.a3 &&
-              tag.a3 === tag.a4
+              tag.a1 !== undefined
+              && tag.a1 === tag.a2
+              && tag.a2 === tag.a3
+              && tag.a3 === tag.a4
             );
             if (tag.c1 || (tag.a1 && !hasAlpha)) {
               var from$2 = color2rgba(fromTag.a1 + fromTag.c1);
@@ -1339,8 +1349,8 @@
               kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'opacity', from: from$3, to: to$3 });
             }
             var hasStroke = strokeTags.some(function (x) { return (
-              tag[x] !== undefined &&
-              tag[x] !== (fragment.tag[x] || slice.tag[x])
+              tag[x] !== undefined
+              && tag[x] !== (fragment.tag[x] || slice.tag[x])
             ); });
             if (hasStroke) {
               var scale = /Yes/i.test(this$1.info.ScaledBorderAndShadow) ? this$1.scale : 1;
@@ -1349,8 +1359,8 @@
               kbl.setT({ t1: t1, t2: t2, duration: duration, prop: 'text-shadow', from: from$4, to: to$4 });
             }
             var hasTransfrom = transformTags.some(function (x) { return (
-              tag[x] !== undefined &&
-              tag[x] !== (fragment.tag[x] || slice.tag[x])
+              tag[x] !== undefined
+              && tag[x] !== (fragment.tag[x] || slice.tag[x])
             ); });
             if (hasTransfrom) {
               var toTag = assign({}, fromTag, tag);
@@ -1380,12 +1390,12 @@
   function createAnimation(name, duration, delay) {
     var va = vendor.animation;
     return (
-      va + "animation-name:" + name + ";" +
-      va + "animation-duration:" + duration + "s;" +
-      va + "animation-delay:" + delay + "s;" +
-      va + "animation-timing-function:linear;" +
-      va + "animation-iteration-count:1;" +
-      va + "animation-fill-mode:forwards;"
+      va + "animation-name:" + name + ";"
+      + va + "animation-duration:" + duration + "s;"
+      + va + "animation-delay:" + delay + "s;"
+      + va + "animation-timing-function:linear;"
+      + va + "animation-iteration-count:1;"
+      + va + "animation-fill-mode:forwards;"
     );
   }
 
@@ -1425,9 +1435,9 @@
       ['xlink:href', ("#" + symbolId)],
       ['filter', ("url(#" + filterId + ")")] ]));
     $svg.style.cssText = (
-      'position:absolute;' +
-      "left:" + (minX * scaleX - vbx) + "px;" +
-      "top:" + (minY * scaleY - vby) + "px;"
+      'position:absolute;'
+      + "left:" + (minX * scaleX - vbx) + "px;"
+      + "top:" + (minY * scaleY - vby) + "px;"
     );
     return {
       $svg: $svg,
@@ -1473,8 +1483,8 @@
           }
           if (borderStyle === 3) {
             cssText += (
-              "background-color:" + (color2rgba(tag.a3 + tag.c3)) + ";" +
-              "box-shadow:" + (createCSSStroke(tag, scale)) + ";"
+              "background-color:" + (color2rgba(tag.a3 + tag.c3)) + ";"
+              + "box-shadow:" + (createCSSStroke(tag, scale)) + ";"
             );
           }
           cssText += tag.b ? ("font-weight:" + (tag.b === 1 ? 'bold' : tag.b) + ";") : '';
@@ -1561,19 +1571,19 @@
       var re = channel.right.end[y];
       return (
         (align === 'left' && (
-          (le > vct && lw) ||
-          (ce > vct && cw && 2 * width + cw > stageWidth) ||
-          (re > vct && rw && width + rw > stageWidth)
-        )) ||
-        (align === 'center' && (
-          (le > vct && lw && 2 * lw + width > stageWidth) ||
-          (ce > vct && cw) ||
-          (re > vct && rw && 2 * rw + width > stageWidth)
-        )) ||
-        (align === 'right' && (
-          (le > vct && lw && lw + width > stageWidth) ||
-          (ce > vct && cw && 2 * width + cw > stageWidth) ||
-          (re > vct && rw)
+          (le > vct && lw)
+          || (ce > vct && cw && 2 * width + cw > stageWidth)
+          || (re > vct && rw && width + rw > stageWidth)
+        ))
+        || (align === 'center' && (
+          (le > vct && lw && 2 * lw + width > stageWidth)
+          || (ce > vct && cw)
+          || (re > vct && rw && 2 * rw + width > stageWidth)
+        ))
+        || (align === 'right' && (
+          (le > vct && lw && lw + width > stageWidth)
+          || (ce > vct && cw && 2 * width + cw > stageWidth)
+          || (re > vct && rw)
         ))
       );
     };
@@ -1737,8 +1747,8 @@
     }
     var dias = this.dialogues;
     while (
-      this._.index < dias.length &&
-      vct >= dias[this._.index].start
+      this._.index < dias.length
+      && vct >= dias[this._.index].start
     ) {
       if (vct < dias[this$1._.index].end) {
         var dia$1 = renderer.call(this$1, dias[this$1._.index]);
@@ -1793,8 +1803,8 @@
       if (!from) { return 0; }
       for (var i = from; i < to; i++) {
         if (
-          dias[i].end > vct && vct >= dias[i].start ||
-          i && dias[i - 1].end < vct && vct < dias[i].start
+          dias[i].end > vct && vct >= dias[i].start
+          || (i && dias[i - 1].end < vct && vct < dias[i].start)
         ) {
           return i;
         }
@@ -1853,10 +1863,10 @@
 
     this.container.style.cssText = "width:" + cw + "px;height:" + ch + "px;";
     var cssText = (
-      "width:" + (this.width) + "px;" +
-      "height:" + (this.height) + "px;" +
-      "top:" + ((ch - this.height) / 2) + "px;" +
-      "left:" + ((cw - this.width) / 2) + "px;"
+      "width:" + (this.width) + "px;"
+      + "height:" + (this.height) + "px;"
+      + "top:" + ((ch - this.height) / 2) + "px;"
+      + "left:" + ((cw - this.width) / 2) + "px;"
     );
     this._.$stage.style.cssText = cssText;
     this._.$svg.style.cssText = cssText;
@@ -1888,9 +1898,6 @@
     };
     this._.$svg.appendChild(this._.$defs);
     this._.$stage.className = 'ASS-stage ASS-animation-paused';
-    this._.$animation.type = 'text/css';
-    this._.$animation.className = 'ASS-animation';
-    document.head.appendChild(this._.$animation);
 
     this._.resampling = options.resampling || 'video_height';
 
@@ -1924,14 +1931,18 @@
     };
     this.dialogues = dialogues;
 
-    var $style = document.getElementById('ASS-global-style');
+    var styleRoot = getStyleRoot(this.container);
+    var $style = styleRoot.querySelector('#ASS-global-style');
     if (!$style) {
       $style = document.createElement('style');
       $style.type = 'text/css';
       $style.id = 'ASS-global-style';
       $style.appendChild(document.createTextNode(GLOBAL_CSS));
-      document.head.appendChild($style);
+      styleRoot.appendChild($style);
     }
+    this._.$animation.type = 'text/css';
+    this._.$animation.className = 'ASS-animation';
+    styleRoot.appendChild(this._.$animation);
 
     resize.call(this);
 
@@ -1959,6 +1970,8 @@
     pause.call(this);
     clear.call(this);
     unbindEvents.call(this, this._.listener);
+
+    var styleRoot = getStyleRoot(this.container);
     if (!this._.hasInitContainer) {
       var isPlay = !this.video.paused;
       this.container.parentNode.insertBefore(this.video, this.container);
@@ -1967,7 +1980,8 @@
         this.video.play();
       }
     }
-    document.head.removeChild(this._.$animation);
+    styleRoot.removeChild(this._.$animation);
+
     // eslint-disable-next-line no-restricted-syntax
     for (var key in this$1) {
       if (Object.prototype.hasOwnProperty.call(this$1, key)) {
@@ -2001,21 +2015,27 @@
   };
 
   var prototypeAccessors = { resampling: { configurable: true } };
+
   ASS.prototype.resize = function resize$1 () {
     return resize.call(this);
   };
+
   ASS.prototype.show = function show$1 () {
     return show.call(this);
   };
+
   ASS.prototype.hide = function hide$1 () {
     return hide.call(this);
   };
+
   ASS.prototype.destroy = function destroy$1 () {
     return destroy.call(this);
   };
+
   prototypeAccessors.resampling.get = function () {
     return getter.call(this);
   };
+
   prototypeAccessors.resampling.set = function (r) {
     return setter.call(this, r);
   };
diff --git a/dist/ass.min.js b/dist/ass.min.js
index 6d65cd7..b40cd89 100644
--- a/dist/ass.min.js
+++ b/dist/ass.min.js
@@ -1 +1 @@
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v=t.pos||{x:0,y:0};if(r%3===1){l=this.scale*v.x}if(r%3===2){l=this.scale*v.x-i/2}if(r%3===0){l=this.scale*v.x-i}if(r<=3){f=this.scale*v.y-n}if(r>=4&&r<=6){f=this.scale*v.y-n/2}if(r>=7){f=this.scale*v.y}}else{if(r%3===1){l=0}if(r%3===2){l=(this.width-i)/2}if(r%3===0){l=this.width-i-this.scale*s.right}var h=o.some(function(t){return t.fragments.some(function(t){var e=t.animationName;return e})});if(h){if(r<=3){f=this.height-n-s.vertical}if(r>=4&&r<=6){f=(this.height-n)/2}if(r>=7){f=s.vertical}}else{f=rt.call(this,t)}}return{x:l,y:f}}function nt(t){var e=t.layer;var a=t.start;var r=t.end;var i=t.alignment;var n=t.effect;var s=t.pos;var o=t.margin;var l=t.animationName;var f=t.width;var v=t.height;var h=t.x;var c=t.y;var d=this.video.currentTime;var p="";if(e){p+="z-index:"+e+";"}if(l){p+=Q(l,r-a,Math.min(0,a-d))}p+="text-align:"+["right","left","center"][i%3]+";";if(!n){var u=this.width-this.scale*(o.left+o.right);p+="max-width:"+u+"px;";if(!s){if(i%3===1){p+="margin-left:"+this.scale*o.left+"px;"}if(i%3===0){p+="margin-right:"+this.scale*o.right+"px;"}if(f>this.width-this.scale*(o.left+o.right)){p+="margin-left:"+this.scale*o.left+"px;";p+="margin-right:"+this.scale*o.right+"px;"}}}p+="width:"+f+"px;height:"+v+"px;left:"+h+"px;top:"+c+"px;";return p}function st(t){var e=at.call(this,t);P(t,{$div:e});this._.$stage.appendChild(e);var a=e.getBoundingClientRect();var r=a.width;var i=a.height;P(t,{width:r,height:i});P(t,it.call(this,t));e.style.cssText=nt.call(this,t);L(t);T.call(this,t);return t}function ot(){var t=this;var e=this.video.currentTime;for(var a=this._.stagings.length-1;a>=0;a--){var r=t._.stagings[a];var i=r.end;if(r.effect&&/scroll/.test(r.effect.name)){var n=r.effect;var s=n.y1;var o=n.y2;var l=n.delay;var f=((o||t._.resampledRes.height)-s)/(1e3/l);i=Math.min(i,r.start+f)}if(i<e){t._.$stage.removeChild(r.$div);if(r.$clipPath){t._.$defs.removeChild(r.$clipPath)}t._.stagings.splice(a,1)}}var v=this.dialogues;while(this._.index<v.length&&e>=v[this._.index].start){if(e<v[t._.index].end){var h=st.call(t,v[t._.index]);t._.stagings.push(h)}++t._.index}}function lt(){var t=this;var e=function(){ot.call(t);t._.requestId=a(e)};this._.requestId=a(e);this._.$stage.classList.remove("ASS-animation-paused");return this}function ft(){e(this._.requestId);this._.requestId=0;this._.$stage.classList.add("ASS-animation-paused");return this}function vt(){var t=this;while(this._.$stage.lastChild){t._.$stage.removeChild(t._.$stage.lastChild)}while(this._.$defs.lastChild){t._.$defs.removeChild(t._.$defs.lastChild)}this._.stagings=[];this._.space=[]}function ht(){var r=this.video.currentTime;var i=this.dialogues;vt.call(this);this._.index=function(){var t=0;var e=i.length-1;while(t+1<e&&r>i[e+t>>1].end){t=e+t>>1}if(!t){return 0}for(var a=t;a<e;a++){if(i[a].end>r&&r>=i[a].start||a&&i[a-1].end<r&&r<i[a].start){return a}}return e}();ot.call(this)}function ct(){var t=this._.listener;t.play=lt.bind(this);t.pause=ft.bind(this);t.seeking=ht.bind(this);this.video.addEventListener("play",t.play);this.video.addEventListener("pause",t.pause);this.video.addEventListener("seeking",t.seeking)}function dt(){var t=this._.listener;this.video.removeEventListener("play",t.play);this.video.removeEventListener("pause",t.pause);this.video.removeEventListener("seeking",t.seeking);t.play=null;t.pause=null;t.seeking=null}function pt(){var t=this.video.clientWidth;var e=this.video.clientHeight;var a=this.video.videoWidth||t;var r=this.video.videoHeight||e;var i=this._.scriptRes.width;var n=this._.scriptRes.height;var s=i;var o=n;var l=Math.min(t/a,e/r);if(this.resampling==="video_width"){o=i/a*r}if(this.resampling==="video_height"){s=n/r*a}this.scale=Math.min(t/s,e/o);if(this.resampling==="script_width"){this.scale=l*(a/s)}if(this.resampling==="script_height"){this.scale=l*(r/o)}this.width=this.scale*s;this.height=this.scale*o;this._.resampledRes={width:s,height:o};this.container.style.cssText="width:"+t+"px;height:"+e+"px;";var f="width:"+this.width+"px;"+"height:"+this.height+"px;"+"top:"+(e-this.height)/2+"px;"+"left:"+(t-this.width)/2+"px;";this._.$stage.style.cssText=f;this._.$svg.style.cssText=f;this._.$svg.setAttributeNS(null,"viewBox","0 0 "+i+" "+n);this._.$animation.innerHTML=K.call(this);ht.call(this);return this}var ut=".ASS-container,.ASS-stage{position:relative;overflow:hidden}.ASS-container video{position:absolute;top:0;left:0}.ASS-stage{pointer-events:none;position:absolute}.ASS-dialogue{font-size:0;position:absolute}.ASS-fix-font-size{position:absolute;visibility:hidden}.ASS-fix-objectBoundingBox{width:100%;height:100%;position:absolute;top:0;left:0}.ASS-animation-paused *{-webkit-animation-play-state:paused!important;animation-play-state:paused!important}";function gt(t,e,a){if(a===void 0)a={};this.scale=1;this._={index:0,stagings:[],space:[],listener:{},$svg:A("svg"),$defs:A("defs"),$stage:document.createElement("div"),$animation:document.createElement("style")};this._.$svg.appendChild(this._.$defs);this._.$stage.className="ASS-stage ASS-animation-paused";this._.resampling=a.resampling||"video_height";this.container=a.container||document.createElement("div");this.container.classList.add("ASS-container");this.container.appendChild(E);this.container.appendChild(this._.$svg);this._.hasInitContainer=!!a.container;this.video=e;ct.call(this);if(!this._.hasInitContainer){var r=!e.paused;e.parentNode.insertBefore(this.container,e);this.container.appendChild(e);if(r&&e.paused){e.play()}}this.container.appendChild(this._.$stage);var i=$(t);var n=i.info;var s=i.width;var o=i.height;var l=i.dialogues;this.info=n;this._.scriptRes={width:s||e.videoWidth,height:o||e.videoHeight};this.dialogues=l;var f=k(this.container);var v=f.querySelector("#ASS-global-style");if(!v){v=document.createElement("style");v.type="text/css";v.id="ASS-global-style";v.appendChild(document.createTextNode(ut));f.appendChild(v)}this._.$animation.type="text/css";this._.$animation.className="ASS-animation";f.appendChild(this._.$animation);pt.call(this);if(!this.video.paused){ht.call(this);lt.call(this)}return this}function mt(){this._.$stage.style.visibility="visible";return this}function yt(){this._.$stage.style.visibility="hidden";return this}function xt(){var t=this;ft.call(this);vt.call(this);dt.call(this,this._.listener);var e=k(this.container);if(!this._.hasInitContainer){var a=!this.video.paused;this.container.parentNode.insertBefore(this.video,this.container);this.container.parentNode.removeChild(this.container);if(a&&this.video.paused){this.video.play()}}e.removeChild(this._.$animation);for(var r in t){if(Object.prototype.hasOwnProperty.call(t,r)){t[r]=null}}return this}var wt=/^(video|script)_(width|height)$/;function bt(){return wt.test(this._.resampling)?this._.resampling:"video_height"}function St(t){if(t===this._.resampling){return t}if(wt.test(t)){this._.resampling=t;this.resize()}return this._.resampling}var _t=function t(e,a,r){if(typeof e!=="string"||!(a instanceof HTMLVideoElement)){return this}return gt.call(this,e,a,r)};var Ct={resampling:{configurable:true}};_t.prototype.resize=function t(){return pt.call(this)};_t.prototype.show=function t(){return mt.call(this)};_t.prototype.hide=function t(){return yt.call(this)};_t.prototype.destroy=function t(){return xt.call(this)};Ct.resampling.get=function(){return bt.call(this)};Ct.resampling.set=function(t){return St.call(this,t)};Object.defineProperties(_t.prototype,Ct);return _t});
\ No newline at end of file
diff --git a/package.json b/package.json
index 70254d7..1e8876d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assjs",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "A JavaScript ASS subtitle format renderer",
   "main": "dist/ass.js",
   "module": "dist/ass.esm.js",