diff --git a/i3/i3.dotfile/config b/i3/i3.dotfile/config
index 4e93ccc..b3f27a7 100644
--- a/i3/i3.dotfile/config
+++ b/i3/i3.dotfile/config
@@ -204,6 +204,43 @@ new_window pixel 1
 new_float normal 1
 smart_borders on
 
+set $mode_gaps Gaps: (o) outer, (i) inner
+set $mode_gaps_outer Outer Gaps: +|-|0 (local), Shift + +|-|0 (global)
+set $mode_gaps_inner Inner Gaps: +|-|0 (local), Shift + +|-|0 (global)
+bindsym $mod+Shift+g mode "$mode_gaps"
+
+mode "$mode_gaps" {
+        bindsym o      mode "$mode_gaps_outer"
+        bindsym i      mode "$mode_gaps_inner"
+        bindsym Return mode "default"
+        bindsym Escape mode "default"
+}
+
+mode "$mode_gaps_inner" {
+        bindsym plus  gaps inner current plus 5
+        bindsym minus gaps inner current minus 5
+        bindsym 0     gaps inner current set 0
+
+        bindsym Shift+plus  gaps inner all plus 5
+        bindsym Shift+minus gaps inner all minus 5
+        bindsym Shift+0     gaps inner all set 0
+
+        bindsym Return mode "default"
+        bindsym Escape mode "default"
+}
+mode "$mode_gaps_outer" {
+        bindsym plus  gaps outer current plus 5
+        bindsym minus gaps outer current minus 5
+        bindsym 0     gaps outer current set 0
+
+        bindsym Shift+plus  gaps outer all plus 5
+        bindsym Shift+minus gaps outer all minus 5
+        bindsym Shift+0     gaps outer all set 0
+
+        bindsym Return mode "default"
+        bindsym Escape mode "default"
+}
+
 for_window [class="feh"] floating enable
 
 # border background text indicator