diff --git a/Gemfile b/Gemfile
index db202f1..48628ce 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,8 +15,11 @@ gem 'encryptor'
 # Syntax Highlighting
 gem 'pygments.rb'
 
+# JS
+gem 'execjs'
+gem 'therubyracer'
+
 # Sugar
-gem 'haml'
-gem 'sass'
-
-
+gem 'coffee-script'
+gem 'slim'
+gem 'stylus'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9f846e0..c6b05c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,10 +1,16 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.6.3)
     encryptor (1.1.3)
-    haml (4.0.3)
-      tilt
+    execjs (1.4.0)
+      multi_json (~> 1.0)
     kgio (2.8.0)
+    libv8 (3.11.8.17)
+    multi_json (1.7.7)
     pg (0.15.1)
     posix-spawn (0.3.6)
     pygments.rb (0.5.1)
@@ -14,7 +20,7 @@ GEM
     rack-protection (1.5.0)
       rack
     raindrops (0.11.0)
-    sass (3.2.9)
+    ref (1.0.5)
     sequel (4.0.0)
     shotgun (0.9)
       rack (>= 1.0)
@@ -22,6 +28,17 @@ GEM
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (~> 1.3, >= 1.3.4)
+    slim (2.0.0)
+      temple (~> 0.6.5)
+      tilt (~> 1.3, >= 1.3.3)
+    stylus (0.7.2)
+      execjs
+      stylus-source
+    stylus-source (0.31.0)
+    temple (0.6.5)
+    therubyracer (0.11.4)
+      libv8 (~> 3.11.8.12)
+      ref
     tilt (1.4.1)
     unicorn (4.6.3)
       kgio (~> 2.6)
@@ -33,12 +50,15 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  coffee-script
   encryptor
-  haml
+  execjs
   pg
   pygments.rb
-  sass
   sequel
   shotgun
   sinatra
+  slim
+  stylus
+  therubyracer
   unicorn
diff --git a/app/assets/javascripts/pastemaster.coffee b/app/assets/javascripts/pastemaster.coffee
new file mode 100644
index 0000000..a024730
--- /dev/null
+++ b/app/assets/javascripts/pastemaster.coffee
@@ -0,0 +1,15 @@
+$ ->
+  $form = $('#pasteform')
+  $contents = $('#contents')
+  $_button = $('#submitbtn')
+  $button = $('#submitlnk')
+
+  # Hide generic button, show styled button
+  $_button.hide()
+  $button.show()
+  $contents.focus()
+
+  # Binding submit event to new button
+  $button.on 'click', ->
+    $form.submit()
+    false
diff --git a/app/assets/stylesheets/pastemaster.styl b/app/assets/stylesheets/pastemaster.styl
new file mode 100644
index 0000000..f0bc18f
--- /dev/null
+++ b/app/assets/stylesheets/pastemaster.styl
@@ -0,0 +1,82 @@
+* { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }
+
+body, input, select {
+  font-family: Helvetica, Arial, sans-serif;
+  font-size: 1.2em;
+}
+textarea, pre {
+  font-family: Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
+  font-size: 1.2em;
+}
+html, body, form {
+  height: 100%;
+}
+body {
+  background-color: #fcfcfc;
+  padding: 3em;
+}
+h1 {
+  position: absolute;
+  top: 1em;
+  left: 3em;
+  font-weight: 200;
+  font-size: 1em;
+  line-height: 1em;
+  padding: 0;
+  margin: 0;
+  text-transform: uppercase;
+  color: #ccc;
+}
+
+.container {
+  width: 100%;
+  height: 100%;
+}
+
+textarea, input {
+  outline: none;
+}
+
+textarea {
+  background-color: #ffffff;
+  width: 100%;
+  height: 100%;
+  line-height: 120%;
+  resize: none;
+  border-style: solid;
+  border-color: #ddd;
+  border-radius: 5px;
+  padding: .5em;
+}
+
+#submitbtn, #submitlnk {
+  float: right;
+}
+#submitlnk {
+  background-color: #fefefe;
+  background-image: -webkit-linear-gradient(top, #ffffff, #f5f5f5);
+  background-image: linear-gradient(to bottom, #ffffff, #f5f5f5);
+  box-shadow: 0 1px 2px 2px #ffffff;
+  color: #666;
+  text-shadow: 0 0 2px #ffffff;
+  border-style: solid;
+  border-color: #ddd;
+  border-radius: 4px;
+  border-width: 1px;
+  border-bottom-width: 4px;
+  font-size: 1em;
+  width: 5em;
+  text-align: center;
+  padding: .4em 0;
+  margin: .5em 0;
+  text-decoration: none;
+  display: none;
+}
+#submitlnk:active {
+  box-shadow: 0 0 2px 2px #eee inset;
+  border-bottom-width: 1px;
+}
+
+p {
+  width: 100%;
+}
diff --git a/config.ru b/config.ru
index 696dd7b..6fc39a5 100644
--- a/config.ru
+++ b/config.ru
@@ -1,6 +1,3 @@
-$:.unshift File.dirname(__FILE__)
-require 'pastemaster'
-
-use Rack::ShowExceptions
+require File.expand_path('../pastemaster', __FILE__)
 
 run Pastemaster.new
diff --git a/lib/assets.rb b/lib/assets.rb
new file mode 100644
index 0000000..3c95564
--- /dev/null
+++ b/lib/assets.rb
@@ -0,0 +1,21 @@
+class CoffeeAssets < Sinatra::Base
+  set :views, File.expand_path('../../app/assets/javascripts', __FILE__)
+
+  get '/assets/:name.js' do
+    path = "#{settings.views}/#{params[:name]}.coffee"
+    return not_found unless File.exists?(path)
+
+    coffee params[:name].to_sym
+  end
+end
+
+class StylusAssets < Sinatra::Base
+  set :views, File.expand_path('../../app/assets/stylesheets', __FILE__)
+
+  get '/assets/:name.css' do
+    path = "#{settings.views}/#{params[:name]}.styl"
+    return not_found unless File.exists?(path)
+
+    stylus params[:name].to_sym
+  end
+end
diff --git a/lib/error_pages.rb b/lib/error_pages.rb
new file mode 100644
index 0000000..3decfb0
--- /dev/null
+++ b/lib/error_pages.rb
@@ -0,0 +1,15 @@
+class ErrorPages < Sinatra::Base
+  set :views, File.expand_path('../../views', __FILE__)
+
+  not_found do
+    status 404
+    slim :error_404
+  end
+
+  module Forbidden
+    def forbidden
+      status 403
+      slim :error_403
+    end
+  end
+end
diff --git a/pastemaster.rb b/pastemaster.rb
index 5987f43..c3642a6 100644
--- a/pastemaster.rb
+++ b/pastemaster.rb
@@ -1,3 +1,5 @@
+$:.unshift File.dirname(__FILE__)
+
 require 'securerandom'
 require 'base64'
 
@@ -5,17 +7,30 @@ require 'bundler/setup'
 require 'sinatra'
 require 'sequel'
 require 'encryptor'
-require 'haml'
+require 'slim'
+require 'coffee_script'
+require 'stylus'
+require 'stylus/tilt'
 
+require 'lib/error_pages'
+require 'lib/assets'
 require 'app/config'
 require 'app/database'
 require 'app/paste'
 
 class Pastemaster < Sinatra::Application
+  set :server, 'unicorn'
   set :public_folder, 'public'
 
+  set :slim, pretty: true
+
+  use ErrorPages
+  helpers ErrorPages::Forbidden
+  use CoffeeAssets
+  use StylusAssets
+
   get '/' do
-    haml :form, layout: :default
+    slim :form, layout: :default
   end
 
   post '/' do
@@ -27,9 +42,13 @@ class Pastemaster < Sinatra::Application
 
   get '/:id/:key' do
     @paste = Paste.find(params[:id])
-    redirect '/' unless @paste
+    return not_found unless @paste
 
-    @paste.decrypt(params[:key])
-    haml :show, layout: :default
+    begin
+      @paste.decrypt(params[:key])
+      slim :show, layout: :default
+    rescue => Error
+      forbidden
+    end
   end
 end
diff --git a/public/pastemaster.css b/public/pastemaster.css
deleted file mode 100644
index 4c24c1e..0000000
--- a/public/pastemaster.css
+++ /dev/null
@@ -1,47 +0,0 @@
-* { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }
-
-body, input, select {
-  font-family: 'Helvetica', Arial, sans-serif;
-  font-size: 150%;
-}
-
-.container {
-  position: absolute;
-  top: 10%;
-  left: 10%;
-  width: 80%;
-  height: 80%;
-}
-
-textarea, input {
-  outline: none;
-}
-
-textarea {
-  width: 100%;
-  height: 20em;
-  line-height: 120%;
-  resize: none;
-  border-style: solid;
-  border-color: #ddd;
-  border-radius: 5px;
-  padding: .5em;
-}
-
-input[type="submit"] {
-  display: inline-block;
-  margin: .3em 0;
-  background-color: #fafafa;
-  border-color: #ddd;
-  border-radius: 4px;
-  border-width: 1px;
-  font-size: 1em;
-  padding: .2em .5em;
-}
-.row.centered {
-  text-align: center;
-}
-
-p {
-  width: 100%;
-}
diff --git a/views/default.haml b/views/default.haml
deleted file mode 100644
index 79aab1b..0000000
--- a/views/default.haml
+++ /dev/null
@@ -1,8 +0,0 @@
-!!!
-%html
-  %head
-    %title Pastemaster
-    %link{ rel: 'stylesheet', href: '/normalize.css?v2.1.2' }
-    %link{ rel: 'stylesheet', href: '/pastemaster.css?r1' }
-  %body
-    .container= yield
diff --git a/views/default.slim b/views/default.slim
new file mode 100644
index 0000000..122a5a7
--- /dev/null
+++ b/views/default.slim
@@ -0,0 +1,13 @@
+doctype html
+html
+  head
+    title Pastemaster
+    link rel="stylesheet" href="/normalize.css?v2.1.2"
+    link rel="stylesheet" href="/assets/pastemaster.css?r1"
+  body
+    h1
+      strong Paste
+      | master
+    .container== yield
+    script type="text/javascript" src="http://code.jquery.com/jquery-2.0.3.min.js"
+    script type="text/javascript" src="/assets/pastemaster.js?r1"
diff --git a/views/error_403.slim b/views/error_403.slim
new file mode 100644
index 0000000..ac40b01
--- /dev/null
+++ b/views/error_403.slim
@@ -0,0 +1,20 @@
+doctype html
+html
+  head
+    title 403 Forbidden
+    meta charset="utf-8"
+    style type="text/css"
+      | html { display: table; }
+      | body { display: table-cell; }
+      | html, body {
+      |   width: 100%; height: 100%;
+      |   margin: 0; padding: 0;
+      |   text-align: center; vertical-align: middle;
+      |   font-face: Helvetica, Arial, sans-serif;
+      |   font-size: 2em;
+      |   font-weight: 100;
+      |   background-color: #fafafa;
+      |   color: #444444;
+      | }
+  body
+    | 403 Forbidden
diff --git a/views/error_404.slim b/views/error_404.slim
new file mode 100644
index 0000000..d2f7177
--- /dev/null
+++ b/views/error_404.slim
@@ -0,0 +1,20 @@
+doctype html
+html
+  head
+    title 404 Not Found
+    meta charset="utf-8"
+    style type="text/css"
+      | html { display: table; }
+      | body { display: table-cell; }
+      | html, body {
+      |   width: 100%; height: 100%;
+      |   margin: 0; padding: 0;
+      |   text-align: center; vertical-align: middle;
+      |   font-face: Helvetica, Arial, sans-serif;
+      |   font-size: 2em;
+      |   font-weight: 100;
+      |   background-color: #fafafa;
+      |   color: #444444;
+      | }
+  body
+    | 404 Not Found
diff --git a/views/form.haml b/views/form.haml
deleted file mode 100644
index 2b33d87..0000000
--- a/views/form.haml
+++ /dev/null
@@ -1,8 +0,0 @@
-%form{ action: '/', method: 'post', 'accept-charset' => 'UTF-8' }
-  .row{ style: 'display: none' }
-    %select{ name: 'type' }
-      %option{ value: 'text_plain' } Plain Text
-  .row
-    %textarea{ name: 'contents' }
-  .row.centered
-    %input{ type: 'submit' }
diff --git a/views/form.slim b/views/form.slim
new file mode 100644
index 0000000..ac4533f
--- /dev/null
+++ b/views/form.slim
@@ -0,0 +1,4 @@
+form#pasteform action="/" method="post" accept-charset="UTF-8"
+  textarea#contents name="contents"
+  input#submitbtn type="submit" value="Save"
+  a#submitlnk href="" role="submit" Save
diff --git a/views/show.haml b/views/show.haml
deleted file mode 100644
index 7c06e4d..0000000
--- a/views/show.haml
+++ /dev/null
@@ -1,5 +0,0 @@
-%p
-  - if @paste
-    = @paste.contents
-  - else
-    .nohave Sorry no have mister
diff --git a/views/show.slim b/views/show.slim
new file mode 100644
index 0000000..5705505
--- /dev/null
+++ b/views/show.slim
@@ -0,0 +1 @@
+pre= @paste.contents