diff --git a/dotfiles/config/i3/config b/dotfiles/config/i3/config
index 7a3f404..d8c5633 100644
--- a/dotfiles/config/i3/config
+++ b/dotfiles/config/i3/config
@@ -11,8 +11,6 @@
 
 set $mod Mod4
 
-for_window [class="^.*"] border pixel 1
-
 # Font for window titles. Will also be used by the bar unless a different font
 # is used in the bar {} block below.
 font pango:Inconsolata 8
@@ -129,6 +127,15 @@ bindsym $mod+Shift+8 move container to workspace 8
 bindsym $mod+Shift+9 move container to workspace 9
 bindsym $mod+Shift+0 move container to workspace 10
 
+# Window configurations
+for_window [class="^.*"] border pixel 1
+for_window [title="htop"] floating enable
+
+# bind function keys
+bindsym XF86AudioMute           exec ponymix toggle
+bindsym XF86AudioLowerVolume    exec ponymix decrease 5
+bindsym XF86AudioRaiseVolume    exec ponymix increase 5
+
 # reload the configuration file
 bindsym $mod+Shift+c reload
 # restart i3 inplace (preserves your layout/session, can be used to upgrade i3)
diff --git a/scripts/sysinstall/install_packages.sh b/scripts/sysinstall/install_packages.sh
index f15ae86..6156b86 100755
--- a/scripts/sysinstall/install_packages.sh
+++ b/scripts/sysinstall/install_packages.sh
@@ -48,7 +48,7 @@ packages=("wget", "emacs", "gvim", "openssh", "steam", "zsh", "zsh-completions",
 	        "xf86-video-fbdev", "xf86-video-intel", "xf86-video-vesa", "alsa-utils", "xorg",
           "xorg-xinit", "dmenu", "ttf-inconsolata", "i3", "google-chrome", "clojure", "leiningen",
 	        "xclip", "playerctl", "infinality-bundle", "lieningen-completions", "npm", "conky",
-          "feh", "networkmanager", "htop", "physlock") 
+          "feh", "networkmanager", "htop", "physlock", "mit-scheme") 
 
 # Reload the font cache
 fc-cache -fv