diff --git a/tree/.config/alacritty/alacritty.yml.tpl b/tree/.config/alacritty/alacritty.yml.tpl
index 9b77c01..c972f7d 100644
--- a/tree/.config/alacritty/alacritty.yml.tpl
+++ b/tree/.config/alacritty/alacritty.yml.tpl
@@ -21,10 +21,8 @@ window:
     lines: 24
 {% if demo %}
   opacity: 1.0
-{% elif hostname == "vostok" %}
-  opacity: 0.95
 {% else %}
-  opacity: 1.0
+  opacity: 0.95
 {% end %}
 
 # The FreeType rasterizer needs to know the device DPI for best results
diff --git a/tree/.config/i3/3440x1440-wallpaper.jpg b/tree/.config/i3/3440x1440-wallpaper.jpg
new file mode 100644
index 0000000..f4ade21
Binary files /dev/null and b/tree/.config/i3/3440x1440-wallpaper.jpg differ
diff --git a/tree/.config/i3/config b/tree/.config/i3/config
new file mode 100644
index 0000000..5292325
--- /dev/null
+++ b/tree/.config/i3/config
@@ -0,0 +1,221 @@
+# This file has been auto-generated by i3-config-wizard(1).
+# It will not be overwritten, so edit it as you like.
+#
+# Should you change your keyboard layout some time, delete
+# this file and re-run i3-config-wizard(1).
+#
+
+# i3 config file (v4)
+#
+# Please see https://i3wm.org/docs/userguide.html for a complete reference!
+
+set $mod Mod1
+
+# Font for window titles. Will also be used by the bar unless a different font
+# is used in the bar {} block below.
+font pango:monospace 8
+
+# hide titlebar
+default_border pixel 1
+default_floating_border pixel 1
+
+# This font is widely installed, provides lots of unicode glyphs, right-to-left
+# text rendering and scalability on retina/hidpi displays (thanks to pango).
+#font pango:DejaVu Sans Mono 8
+
+# Start XDG autostart .desktop files using dex. See also
+# https://wiki.archlinux.org/index.php/XDG_Autostart
+exec --no-startup-id dex --autostart --environment i3
+
+# The combination of xss-lock, nm-applet and pactl is a popular choice, so
+# they are included here as an example. Modify as you see fit.
+
+# xss-lock grabs a logind suspend inhibit lock and will use i3lock to lock the
+# screen before suspend. Use loginctl lock-session to lock your screen.
+exec --no-startup-id xss-lock --transfer-sleep-lock -- i3lock-cool
+
+# NetworkManager is the most popular way to manage wireless networks on Linux,
+# and nm-applet is a desktop environment-independent system tray GUI for it.
+exec --no-startup-id nm-applet
+
+# Use pactl to adjust volume in PulseAudio.
+set $refresh_i3status killall -SIGUSR1 i3status
+bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ +10% && $refresh_i3status
+bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ -10% && $refresh_i3status
+bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute @DEFAULT_SINK@ toggle && $refresh_i3status
+bindsym XF86AudioMicMute exec --no-startup-id pactl set-source-mute @DEFAULT_SOURCE@ toggle && $refresh_i3status
+
+# Use Mouse+$mod to drag floating windows to their wanted position
+floating_modifier $mod
+
+# start a terminal
+bindsym $mod+Return exec alacritty
+
+# kill focused window
+bindsym $mod+Shift+aring kill
+
+# start dmenu (a program launcher)
+bindsym $mod+e exec --no-startup-id dmenu_run
+# A more modern dmenu replacement is rofi:
+# bindcode $mod+40 exec "rofi -modi drun,run -show drun"
+# There also is i3-dmenu-desktop which only displays applications shipping a
+# .desktop file. It is a wrapper around dmenu, so you need that installed.
+# bindcode $mod+40 exec --no-startup-id i3-dmenu-desktop
+
+# lock screen
+#bindsym $mod+Shift+l exec loginctl lock-session
+bindsym $mod+Shift+l exec i3lock-cool
+
+# change focus
+bindsym $mod+h focus left
+bindsym $mod+t focus down
+bindsym $mod+n focus up
+bindsym $mod+s focus right
+
+# alternatively, you can use the cursor keys:
+bindsym $mod+Left focus left
+bindsym $mod+Down focus down
+bindsym $mod+Up focus up
+bindsym $mod+Right focus right
+
+# move focused window
+bindsym $mod+Shift+h move left
+bindsym $mod+Shift+t move down
+bindsym $mod+Shift+n move up
+bindsym $mod+Shift+s move right
+
+# alternatively, you can use the cursor keys:
+bindsym $mod+Shift+Left move left
+bindsym $mod+Shift+Down move down
+bindsym $mod+Shift+Up move up
+bindsym $mod+Shift+Right move right
+
+# split in horizontal orientation
+bindsym $mod+d split h
+
+# split in vertical orientation
+bindsym $mod+k split v
+
+# enter fullscreen mode for the focused container
+bindsym $mod+u fullscreen toggle
+
+# change container layout (stacked, tabbed, toggle split)
+bindsym $mod+o layout stacking
+bindsym $mod+comma layout tabbed
+bindsym $mod+period layout toggle split
+
+# toggle tiling / floating
+bindsym $mod+Shift+space floating toggle
+
+# change focus between tiling / floating windows
+bindsym $mod+space focus mode_toggle
+
+# focus the parent container
+bindsym $mod+a focus parent
+
+# focus the child container
+#bindsym $mod+d focus child
+
+# Define names for default workspaces for which we configure key bindings later on.
+# We use variables to avoid repeating the names in multiple places.
+set $ws1 "1"
+set $ws2 "2"
+set $ws3 "3"
+set $ws4 "4"
+set $ws5 "5"
+set $ws6 "6"
+set $ws7 "7"
+set $ws8 "8"
+set $ws9 "9"
+set $ws10 "10"
+
+# switch to workspace
+bindsym $mod+1 workspace number $ws1
+bindsym $mod+2 workspace number $ws2
+bindsym $mod+3 workspace number $ws3
+bindsym $mod+4 workspace number $ws4
+bindsym $mod+5 workspace number $ws5
+bindsym $mod+6 workspace number $ws6
+bindsym $mod+7 workspace number $ws7
+bindsym $mod+8 workspace number $ws8
+bindsym $mod+9 workspace number $ws9
+bindsym $mod+0 workspace number $ws10
+
+# move focused container to workspace
+bindsym $mod+Shift+1 move container to workspace number $ws1
+bindsym $mod+Shift+2 move container to workspace number $ws2
+bindsym $mod+Shift+3 move container to workspace number $ws3
+bindsym $mod+Shift+4 move container to workspace number $ws4
+bindsym $mod+Shift+5 move container to workspace number $ws5
+bindsym $mod+Shift+6 move container to workspace number $ws6
+bindsym $mod+Shift+7 move container to workspace number $ws7
+bindsym $mod+Shift+8 move container to workspace number $ws8
+bindsym $mod+Shift+9 move container to workspace number $ws9
+bindsym $mod+Shift+0 move container to workspace number $ws10
+
+# reload the configuration file
+bindsym $mod+Shift+j reload
+# restart i3 inplace (preserves your layout/session, can be used to upgrade i3)
+#bindsym $mod+Shift+p restart
+# exit i3 (logs you out of your X session)
+bindsym $mod+Shift+period exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"
+
+# resize window (you can also use the mouse for that)
+mode "resize" {
+	# These bindings trigger as soon as you enter the resize mode
+	
+	# Pressing left will shrink the window’s width.
+	# Pressing right will grow the window’s width.
+	# Pressing up will shrink the window’s height.
+	# Pressing down will grow the window’s height.
+	bindsym h resize shrink width 10 px or 10 ppt
+	bindsym t resize grow height 10 px or 10 ppt
+	bindsym n resize shrink height 10 px or 10 ppt
+	bindsym s resize grow width 10 px or 10 ppt
+	
+	# same bindings, but for the arrow keys
+	bindsym Left resize shrink width 10 px or 10 ppt
+	bindsym Down resize grow height 10 px or 10 ppt
+	bindsym Up resize shrink height 10 px or 10 ppt
+	bindsym Right resize grow width 10 px or 10 ppt
+	
+	# back to normal: Enter or Escape or $mod+r
+	bindsym Return mode "default"
+	bindsym Escape mode "default"
+	bindsym $mod+p mode "default"
+}
+
+bindsym $mod+p mode "resize"
+
+# Start i3bar to display a workspace bar (plus the system information i3status
+# finds out, if available)
+bar {
+	status_command i3status -c ~/.config/i3/i3status.conf
+
+	# disable scrolling between desktops
+	bindsym button4 nop
+	bindsym button5 nop
+
+	colors {
+		# colorclass       <border> <background> <text>
+		focused_workspace  #1ABC9C  #1ABC9C     #1F2D3A
+		inactive_workspace #1F2D3A  #1F2D3A     #1ABC9C
+	}
+}
+
+# theme
+# class                 border  backgr. text    indicator child_border
+client.focused          #5b3f63 #5b3f63 #ffffff #2e9ef4   #5b3f63
+client.focused_inactive #333333 #5f676a #ffffff #484e50   #5f676a
+client.unfocused        #333333 #222222 #888888 #292d2e   #222222
+client.urgent           #2f343a #900000 #ffffff #900000   #900000
+client.placeholder      #000000 #0c0c0c #ffffff #000000   #0c0c0c
+client.background       #ffffff
+# enable transparency
+exec xcompmgr -c -f -n
+
+# wallpaper
+exec --no-startup-id feh --bg-scale ~/.config/i3/3440x1440-wallpaper.jpg
+
+# autostart
+exec nextcloud
diff --git a/tree/.config/i3/i3status.conf b/tree/.config/i3/i3status.conf
new file mode 100644
index 0000000..88a1046
--- /dev/null
+++ b/tree/.config/i3/i3status.conf
@@ -0,0 +1,41 @@
+# i3status configuration file.
+# see "man i3status" for documentation.
+
+general {
+        colors = true
+        interval = 5
+}
+
+order += "ipv6"
+order += "ethernet _first_"
+order += "disk /"
+order += "load"
+order += "memory"
+order += "tztime local"
+
+ethernet _first_ {
+        format_up = "E: %ip (%speed)"
+        format_down = "E: down"
+}
+
+battery all {
+        format = "%status %percentage %remaining"
+}
+
+disk "/" {
+        format = "%avail"
+}
+
+load {
+        format = "%1min"
+}
+
+memory {
+        format = "%used/%total"
+        threshold_degraded = "1G"
+        format_degraded = "MEMORY < %available"
+}
+
+tztime local {
+        format = "%Y-%m-%d %H:%M"
+}
diff --git a/tree/.local/bin/i3lock-cool b/tree/.local/bin/i3lock-cool
new file mode 100755
index 0000000..c782685
--- /dev/null
+++ b/tree/.local/bin/i3lock-cool
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+set -x
+
+# check if i3lock is running
+if ps -e | grep " i3lock$"; then
+	echo "i3lock is already running!"
+	exit 1
+fi
+
+OPTIONAL_CMDS="scrot lockscreen-blur"
+
+for CMD in $OPTIONAL_CMDS; do
+	echo "checking $CMD"
+	if ! command -v "$CMD" &> /dev/null
+	then
+		echo "$CMD could not be found, falling back to basic mode."
+
+		i3lock -c 302f3b "$@"
+
+		exit 0
+	fi
+done
+
+TMP_IMG="/tmp/lock.png"
+
+scrot - | lockscreen-blur -o "$TMP_IMG" -b 20 --stamp ~/.config/sway/ferris-stamp.png
+
+i3lock -nef --image="$TMP_IMG" "$@"
+
+rm "$TMP_IMG"