diff --git a/inject.js b/inject.js
index 7f8d47f..c616f51 100644
--- a/inject.js
+++ b/inject.js
@@ -130,7 +130,7 @@ chrome.extension.sendMessage({}, function(response) {
       var speedStep, rewindTime, rewindKeyCode, slowerKeyCode, fasterKeyCode;
       
       chrome.storage.sync.get({ 
-        speedStep:        0.25, // default 0.25x
+        speedStep:        0.1, // default 0.10x
         rewindTime:       10,   // default 10s
           rewindKeyCode:  65,   // default: A
           slowerKeyCode:  83,   // default: S
diff --git a/manifest.json b/manifest.json
index 538b691..f58bb91 100755
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "HTML5 Video Playback Speed Controller",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "manifest_version": 2,
   "description": "Lean in and speed up your video learning with handy shortcuts to accelerate, slow-down, and rewind your video via your keyboard.",
   "homepage_url": "https://github.com/igrigorik/videospeed",
diff --git a/options.css b/options.css
index b0d8cb0..0486233 100644
--- a/options.css
+++ b/options.css
@@ -47,7 +47,7 @@ section h3 {
 	margin-left: -18px;
 }
 
-button, select {
+button {
 	-webkit-appearance: none;
 	position: relative;
 	
@@ -56,7 +56,7 @@ button, select {
 	min-width: 4em;
 	min-height: 2em;
 	
-	background-image:         linear-gradient(#EDEDED, #EDEDED 38%, #DEDEDE);
+	background-image: linear-gradient(#EDEDED, #EDEDED 38%, #DEDEDE);
 	border: 1px solid rgba(0,0,0,0.25);
 	border-radius: 2px;
 	outline: none;
@@ -68,16 +68,10 @@ button, select {
     user-select: none;
 }
 
-select {
-    padding-right: 20px;
-
-    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAYAAAAbQcSUAAAAaUlEQVQoz2P4//8/A7UwdkEGhiggTsODo4g2LBEImJmZvwE1/UfHIHGQPNGGAbHCggULFrKxsf1ENgjEB4mD5EnxJoaByAZB5Yk3DNlAPj6+L8gGkWUYzMC3b982IRtEtmFQjaxYxDAwAGi4TwMYKNLfAAAAAElFTkSuQmCC'), linear-gradient(#EDEDED, #EDEDED 38%, #DEDEDE);
-    background-position: right center;
-    background-repeat: no-repeat;
-}
 
 input[type="text"] {
-    width: 120px;
+    width: 75px;
+    text-align: center;
 }
 
 .row {
@@ -89,11 +83,6 @@ label {
     width: 150px;
 }
 
-#rewindTime {
-    width: 69px;
-    text-align: center;
-}
-
 #status {
     color: #9D9D9D;
     display: inline-block;
diff --git a/options.html b/options.html
index c51b7ad..fc62e61 100644
--- a/options.html
+++ b/options.html
@@ -13,15 +13,15 @@
             <h3>Shortcuts</h3>
             <div class="row">
                 <label for="rewindKeyInput">Rewind</label>
-                <input id="rewindKeyInput" placeholder="Press a Key" type="text" value=""/>
+                <input id="rewindKeyInput" placeholder="press a key" type="text" value=""/>
             </div>
             <div class="row">
                 <label for="slowerKeyInput">Slow Down</label>
-                <input id="slowerKeyInput" placeholder="Press a Key" type="text" value=""/>
+                <input id="slowerKeyInput" placeholder="press a key" type="text" value=""/>
             </div>
             <div class="row">
                 <label for="fasterKeyInput">Speed Up</label>
-                <input id="fasterKeyInput" placeholder="Press a Key" type="text" value=""/>
+                <input id="fasterKeyInput" placeholder="press a key" type="text" value=""/>
             </div>
         </section>
       
@@ -33,14 +33,7 @@
             </div>
             <div class="row">
                 <label for="speedStep">Speed change step</label>
-                <select id="speedStep">
-                    <option value="0.10">0.10 x</option>
-                    <option value="0.20">0.20 x</option>
-                    <option value="0.25">0.25 x</option>
-                    <option value="0.50">0.50 x</option>
-                    <option value="0.75">0.75 x</option>
-                    <option value="1.00">1.00 x</option>
-                </select>
+                <input id="speedStep" type="text" value=""/>
             </div>
         </section>
 		
diff --git a/options.js b/options.js
index 9624fa1..baaf108 100644
--- a/options.js
+++ b/options.js
@@ -1,39 +1,44 @@
 function recordKeyPress(e) {
-  var normalizedKeyCode = String.fromCharCode(e.keyCode).toUpperCase().charCodeAt();
-  e.target.value = getInputMsg(normalizedKeyCode);
-  e.target.keyCode = normalizedKeyCode;
+  var normalizedChar = String.fromCharCode(e.keyCode).toUpperCase();
+  e.target.value = normalizedChar;
+  e.target.keyCode = normalizedChar.charCodeAt();
   
   e.preventDefault();
   e.stopPropagation();
 };
 
+function inputFilterNumbersOnly(e) {
+  var char = String.fromCharCode(e.keyCode);
+  if (!/[\d\.]$/.test(char) || !/^\d+(\.\d*)?$/.test(e.target.value + char)) {
+    e.preventDefault();
+    e.stopPropagation();
+  } 
+};
+
 function inputFocus(e) {
    e.target.value = "";
 };
 
 function inputBlur(e) {
-   e.target.value = getInputMsg(e.target.keyCode);
+   e.target.value = String.fromCharCode(e.target.keyCode).toUpperCase();
 };
 
 function updateShortcutInputText(inputId, keyCode) {
-  document.getElementById(inputId).value = getInputMsg(keyCode);
+  document.getElementById(inputId).value = String.fromCharCode(keyCode).toUpperCase();
   document.getElementById(inputId).keyCode = keyCode;
 }
 
-function getInputMsg(keyCode) {
-  return "Shortcut set to " + String.fromCharCode(keyCode).toUpperCase(); 
-};
-
 // Saves options to chrome.storage
 function save_options() {
  
-  var speedStep     = Number(document.getElementById('speedStep').value);
+  var speedStep     = document.getElementById('speedStep').value;
   var rewindTime    = document.getElementById('rewindTime').value;
   var rewindKeyCode = document.getElementById('rewindKeyInput').keyCode;
   var slowerKeyCode = document.getElementById('slowerKeyInput').keyCode;
   var fasterKeyCode = document.getElementById('fasterKeyInput').keyCode;
   
-  rewindTime    = isNaN(rewindTime) ? 10 : rewindTime;
+  speedStep     = isNaN(speedStep) ? 0.1 : Number(speedStep);
+  rewindTime    = isNaN(rewindTime) ? 10 : Number(rewindTime);
   rewindKeyCode = isNaN(rewindKeyCode) ? 65 : rewindKeyCode;
   slowerKeyCode = isNaN(slowerKeyCode) ? 83 : slowerKeyCode;
   fasterKeyCode = isNaN(fasterKeyCode) ? 68 : fasterKeyCode;
@@ -57,7 +62,7 @@ function save_options() {
 // Restores options from chrome.storage
 function restore_options() {
   chrome.storage.sync.get({
-    speedStep: 0.25,
+    speedStep: 0.1,
     rewindTime: 10,
     rewindKeyCode: 65,
     slowerKeyCode: 83,
@@ -74,7 +79,7 @@ function restore_options() {
 function restore_defaults() {
   
   chrome.storage.sync.set({
-    speedStep: 0.25,
+    speedStep: 0.1,
     rewindTime: 10,
     rewindKeyCode: 65,
     slowerKeyCode: 83,
@@ -100,6 +105,9 @@ initShortcutInput('rewindKeyInput');
 initShortcutInput('slowerKeyInput');
 initShortcutInput('fasterKeyInput');
 
+document.getElementById('rewindTime').addEventListener('keypress', inputFilterNumbersOnly);
+document.getElementById('speedStep').addEventListener('keypress', inputFilterNumbersOnly);
+
 function initShortcutInput(inputId) {
   document.getElementById(inputId).addEventListener('focus', inputFocus);
   document.getElementById(inputId).addEventListener('blur', inputBlur);