diff --git a/client/css/post-content-control.styl b/client/css/post-content-control.styl
index db651d0..857b2ef 100644
--- a/client/css/post-content-control.styl
+++ b/client/css/post-content-control.styl
@@ -8,16 +8,7 @@
         margin: 0 auto
         position: relative
 
-        img, object, video, .post-overlay
-            position: absolute
-            height: 100%
-            width: 100%
-            left: 0
-            right: 0
-            top: 0
-            bottom: 0
-
-        .post-overlay>*
+        .resize-listener
             position: absolute
             left: 0
             right: 0
diff --git a/client/html/post_content.tpl b/client/html/post_content.tpl
index 0703ace..10bfb15 100644
--- a/client/html/post_content.tpl
+++ b/client/html/post_content.tpl
@@ -1,11 +1,11 @@
 <div class='post-content post-type-<%- ctx.post.type %>'>
     <% if (['image', 'animation'].includes(ctx.post.type)) { %>
 
-        <img alt='' src='<%- ctx.post.contentUrl %>'/>
+        <img class='resize-listener' alt='' src='<%- ctx.post.contentUrl %>'/>
 
     <% } else if (ctx.post.type === 'flash') { %>
 
-        <object width='<%- ctx.post.canvasWidth %>' height='<%- ctx.post.canvasHeight %>' data='<%- ctx.post.contentUrl %>'>
+        <object class='resize-listener' width='<%- ctx.post.canvasWidth %>' height='<%- ctx.post.canvasHeight %>' data='<%- ctx.post.contentUrl %>'>
             <param name='wmode' value='opaque'/>
             <param name='movie' value='<%- ctx.post.contentUrl %>'/>
         </object>
@@ -14,6 +14,7 @@
 
         <%= ctx.makeElement(
             'video', {
+                class: 'resize-listener',
                 controls: true,
                 loop: (ctx.post.flags || []).includes('loop'),
                 autoplay: ctx.autoplay,
@@ -27,6 +28,6 @@
 
     <% } else { console.log(new Error('Unknown post type')); } %>
 
-    <div class='post-overlay'>
+    <div class='post-overlay resize-listener'>
     </div>
 </div>
diff --git a/client/js/controls/post_content_control.js b/client/js/controls/post_content_control.js
index c13fa83..ca2fca8 100644
--- a/client/js/controls/post_content_control.js
+++ b/client/js/controls/post_content_control.js
@@ -86,8 +86,12 @@ class PostContentControl {
     }
 
     _resize(width, height) {
-        this._postContentNode.style.width = width + 'px';
-        this._postContentNode.style.height = height + 'px';
+        const resizeListenerNodes = [this._postContentNode].concat(
+            ...this._postContentNode.querySelectorAll('.resize-listener'));
+        for (let node of resizeListenerNodes) {
+            node.style.width = width + 'px';
+            node.style.height = height + 'px';
+        }
     }
 
     _refreshSize() {
diff --git a/client/js/controls/post_notes_overlay_control.js b/client/js/controls/post_notes_overlay_control.js
index c2539bd..43e8bf6 100644
--- a/client/js/controls/post_notes_overlay_control.js
+++ b/client/js/controls/post_notes_overlay_control.js
@@ -547,6 +547,7 @@ class PostNotesOverlayControl extends events.EventTarget {
         this._hostNode = hostNode;
 
         this._svgNode = document.createElementNS(svgNS, 'svg');
+        this._svgNode.classList.add('resize-listener');
         this._svgNode.classList.add('notes-overlay');
         this._svgNode.setAttribute('preserveAspectRatio', 'none');
         this._svgNode.setAttribute('viewBox', '0 0 1 1');