fixes for alt key

.config/i3/config

@@ -1,5 +1,6 @@
 # Set mod key (Mod1=<Alt>, Mod4=<Super>)
 set $mod Mod4
+set $alt Mod1
 
 # set default desktop layout (default is tiling)
 # workspace_layout tabbed <stacking|tabbed>
@@ -305,8 +306,8 @@ bindsym $mod+Shift+r restart
 # bindsym $mod+Shift+e 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'"
 
 # Set shut down, restart and locking features
-bindsym $mod+Shift+Ctrl+Alt+h exec --no-startup-id systemctl hibernate
-bindsym $mod+Shift+Ctrl+Alt+s exec --no-startup-id systemctl suspend
+bindsym $mod+Shift+Ctrl+$alt+h exec --no-startup-id systemctl hibernate
+bindsym $mod+Shift+Ctrl+$alt+s exec --no-startup-id systemctl suspend
 
 #bindsym $mod+0 mode "$mode_system"
 #set $mode_system (l)ock, (e)xit, switch_(u)ser, (s)uspend, (h)ibernate, (r)eboot, (Shift+s)hutdown
@@ -348,7 +349,7 @@ mode "resize" {
 }
 
 # Lock screen
-bindsym $mod+Ctrl+Alt+l exec light-locker-command -l
+bindsym Ctrl+$alt+l exec --no-startup-id light-locker-command -l
 
 # Autostart applications
 exec_always --no-startup-id $HOME/.config/polybar/launch.sh