update icons for mute and unmute

app/static/js/ascroll.js

@@ -170,11 +170,11 @@ function showOverlay(event) {
     overlay.style.display = 'flex'
     overlay.style.alignItems = 'center'
     overlay.style.justifyContent = 'center'
-    overlay.style.fontSize = '45px'
+    //overlay.style.fontSize = '45px'
     video.controls = false
 
-    var off = `🔇`
-    var on = `🔊`
+    var off = `<span class="annotation-icon-wrapper animated"><span class="text f-icon-volume_off annotation-icon"></span>`
+    var on = `<span class="annotation-icon-wrapper"><span class="f-icon-volume_down annotation-icon"></span></span>`
 
     if (video.muted) {
             overlay.innerHTML = off