round speed, set relative position

inject.css

@@ -1,5 +1,8 @@
 .tc-videoController {
   position: absolute;
+  top: 0;
+  left: 0;
+
   background: black;
   color: white;
 

inject.js

@@ -155,12 +155,12 @@ chrome.extension.sendMessage({}, function(response) {
               // Maxium playback speed in Chrome is set to 16:
               // https://code.google.com/p/chromium/codesearch#chromium/src/media/blink/webmediaplayer_impl.cc&l=64
               var s = Math.min(v.playbackRate + tc.settings.speedStep, 16);
-              setSpeed(v, s);
+              setSpeed(v, Number(s.toFixed(2)));
             } else if (action === 'slower') {
               // Audio playback is cut at 0.05:
               // https://code.google.com/p/chromium/codesearch#chromium/src/media/filters/audio_renderer_algorithm.cc&l=49
               var s = Math.max(v.playbackRate - tc.settings.speedStep, 0);
-              setSpeed(v, s);
+              setSpeed(v, Number(s.toFixed(2)));
             } else if (action === 'reset') {
             	setSpeed(v, 1.0);
             }