diff --git a/background.js b/background.js
index 7b5aa5e61..e818c4dbd 100644
--- a/background.js
+++ b/background.js
@@ -95,13 +95,15 @@ chrome.runtime.onInstalled.addListener(function (installed) {
 		});
 	} else if (installed.reason == 'install') {
 		if (navigator.userAgent.indexOf("Firefox") != -1) {
-			chrome.storage.local.set({below_player_pip: false})}
+			chrome.storage.local.set({below_player_pip: false})
+			}
 		if (navigator.userAgent.indexOf('Safari') !== -1
 		   && (!/Windows|Chrom/.test(navigator.userAgent)
 			   || /Macintosh|iPhone/.test(navigator.userAgent))) {
 			chrome.storage.local.set({below_player_pip: false})
 			// still needed? (are screenshots broken in Safari?):
-			chrome.storage.local.set({below_player_screenshot: false})}
+			chrome.storage.local.set({below_player_screenshot: false})
+			}
 		// console.log('Thanks for installing!');
 	}
 });
@@ -312,9 +314,8 @@ chrome.runtime.onMessage.addListener(function (message, sender, sendResponse) {
 					} catch (error) {
 						console.error(error);
 					}
-				} else {
-					console.error('Permission is not granted.');
-				}})
+				} else { console.error('Permission is not granted.'); }
+				})
 			break
 	}
 });
diff --git a/js&css/extension/init.js b/js&css/extension/init.js
index 8020cd839..99d8ed77c 100644
--- a/js&css/extension/init.js
+++ b/js&css/extension/init.js
@@ -241,8 +241,8 @@ document.addEventListener('it-message-from-youtube', function () {
 	}
 });
 
-document.addEventListener('it-play', function (event) {
-	var videos = document.querySelectorAll('video');
-	 try {chrome.runtime.sendMessage({action: 'play'})}
-	catch (error) {console.log(error); setTimeout(function () { try { chrome.runtime.sendMessage({action: 'play'}, function (response) { console.log(response) } ); } catch { } }, 321) }
-	   });
+document.addEventListener('it-play', function () {
+	 // var videos = document.querySelectorAll('video');
+	try {chrome.runtime.sendMessage({action: 'play'})
+	} catch (error) {console.log(error); setTimeout(function () { try { chrome.runtime.sendMessage({action: 'play'}, function (response) { console.log(response) } ); } catch { } }, 321) }
+});
\ No newline at end of file
diff --git a/js&css/web-accessible/www.youtube.com/shortcuts.js b/js&css/web-accessible/www.youtube.com/shortcuts.js
index 4c3653396..454e374eb 100644
--- a/js&css/web-accessible/www.youtube.com/shortcuts.js
+++ b/js&css/web-accessible/www.youtube.com/shortcuts.js
@@ -355,20 +355,20 @@ ImprovedTube.shortcutScreenshot = ImprovedTube.screenshot;
 ------------------------------------------------------------------------------*/
 ImprovedTube.shortcutIncreasePlaybackSpeed = function () { const value = Number(this.storage.shortcuts_playback_speed_step) || .05,
 // original:	
-	var video = this.elements.video;
+	const video = this.elements.video;
 	if (video) {if ( video.playbackRate){
 				if ( video.playbackRate < 1 && video.playbackRate > 1-ImprovedTube.storage.shortcut_playback_speed_step ) {  
                  video.playbackRate =  1 } // aligning at 1.0 instead of passing by 1.0
-		  else { video.playbackRate = Math.min(Math.max(Number((video.playbackRate + Number(ImprovedTube.storage.shortcut_playback_speed_step || .05)).toFixed(2)), .1),24);
-					  }        	        
+		  else { video.playbackRate = Math.min(Math.max(Number((video.playbackRate + Number(ImprovedTube.storage.shortcut_playback_speed_step || .05)).toFixed(2)), .1),16);
+					  }    					// Firefox doesnt limit speed to 16x. We can allow more in Firefox if people ask  
 		ImprovedTube.showStatus(video.playbackRate);
 	} else {		
 	// alternative:
-	var player = this.elements.player;
+	const player = this.elements.player;
 		if (player) {
 				if (  player.getPlaybackRate() < 1 &&  player.getPlaybackRate() > 1-ImprovedTube.storage.shortcut_playback_speed_step ) {  
                   player.setPlaybackRate(1) } // aligning at 1.0 instead of passing by 1.0
-		  else { player.setPlaybackRate(Math.min(Math.max(Number((player.getPlaybackRate() + Number(ImprovedTube.storage.shortcut_playback_speed_step || .05)).toFixed(2)), .1),24))
+		  else { player.setPlaybackRate(Math.min(Math.max(Number((player.getPlaybackRate() + Number(ImprovedTube.storage.shortcut_playback_speed_step || .05)).toFixed(2)), .1),16))
 					  }        	        
 		ImprovedTube.showStatus(player.getPlaybackRate());
 }}}};
@@ -377,7 +377,7 @@ ImprovedTube.shortcutIncreasePlaybackSpeed = function () { const value = Number(
 ------------------------------------------------------------------------------*/
 ImprovedTube.shortcutDecreasePlaybackSpeed = function () { const value = Number(ImprovedTube.storage.shortcut_playback_speed_step) || .05;
 // original:
-	var video = this.elements.video;
+	const video = this.elements.video;
 	if (video) {
 		if (video.playbackRate){
 			if ( video.playbackRate < 0.1+ImprovedTube.storage.shortcut_playback_speed_step ) {  
@@ -388,7 +388,7 @@ ImprovedTube.shortcutDecreasePlaybackSpeed = function () { const value = Number(
 	}		
 	else {
 	// alternative:
-	var player = this.elements.player;
+	const player = this.elements.player;
 	if (player) {
 			if ( player.getPlaybackRate() < 0.1+ImprovedTube.storage.shortcut_playback_speed_step ) {  
 		    player.setPlaybackRate(player.getPlaybackRate()*0.7) } // slow down near minimum