Changed $mod+m to focus parent then left (better is if have nodes).

Changed parent container naming to bold.

i3/config

@@ -121,7 +121,7 @@ bindsym $mod+l focus right
 # master-stack keybinding (moves stack window to master and current master back to stack window)
 # NOTE: requires jq
 set $get_layout $(i3-msg -t get_tree | jq -r 'recurse(.nodes[];.nodes!=null)|select(.nodes[].focused).layout')
-bindsym $mod+m exec "i3-msg focus parent, focus right"
+bindsym $mod+m exec "i3-msg focus parent, focus left"
 bindsym $mod+comma exec "MST=$get_layout; i3-msg layout stacked, focus up, move right, focus up, focus left, layout $MST"
 bindsym $mod+Shift+m exec "STK=$get_layout; i3-msg layout stacked, move left; MST=$get_layout; i3-msg layout stacked, focus up, focus right, layout $STK, focus parent, focus left, move right, focus left, layout $MST"
 bindsym $mod+Shift+n exec "STK=$get_layout; i3-msg layout stacked, move left; MST=$get_layout; i3-msg layout stacked, focus up, move right, focus up, layout $STK, focus parent, focus left, layout $MST"
@@ -165,7 +165,7 @@ workspace_auto_back_and_forth yes
 
 
 # dynamic renaming of parent container
-bindsym $mod+slash exec "ANSWER=$(zenity --title=\\"i3-msg title_format\\" --text \\"Change %title for parent container\\" --entry); if [ -n \\"$ANSWER\\" ]; then i3-msg focus parent, title_format \\"<span font_style='oblique'> <u><tt>$ANSWER</tt></u></span>\\", focus child; fi"
+bindsym $mod+slash exec "ANSWER=$(zenity --title=\\"i3-msg title_format\\" --text \\"Change %title for parent container\\" --entry); if [ -n \\"$ANSWER\\" ]; then i3-msg focus parent, title_format \\"<span> <b><tt>$ANSWER</tt></b></span>\\", focus child; fi"
 bindsym $mod+$mod_next+slash focus parent, title_format "<span font_style='oblique'> <u><tt>%title</tt></u></span>", focus child
 bindsym $mod+Ctrl+w exec "WINDOWS=$(xdotool search --all --onlyvisible --desktop $(xprop -notype -root _NET_CURRENT_DESKTOP | cut -c 24-) \\"\\" 2>/dev/null); for window in $WINDOWS; do xdotool windowactivate $window; i3-msg \\"split h; layout tabbed\\"; $con_title; done"
 bindsym $mod+$mod_next+Ctrl+w exec "WINDOWS=$(xdotool search --all --onlyvisible --desktop $(xprop -notype -root _NET_CURRENT_DESKTOP | cut -c 24-) \\"\\" 2>/dev/null); for window in $WINDOWS; do xdotool windowactivate $window; i3-msg \\"move left\\"; $con_title; done"

i3/config.simple

@@ -81,7 +81,7 @@ bindsym $mod+l focus right
 # master-stack keybinding (moves stack window to master and current master back to stack window)
 # NOTE: requires jq
 set $get_layout $(i3-msg -t get_tree | jq -r 'recurse(.nodes[];.nodes!=null)|select(.nodes[].focused).layout')
-bindsym $mod+m exec "i3-msg focus parent, focus right"
+bindsym $mod+m exec "i3-msg focus parent, focus left"
 bindsym $mod+comma exec "MST=$get_layout; i3-msg layout stacked, focus up, move right, focus up, focus left, layout $MST"
 bindsym $mod+Shift+m exec "STK=$get_layout; i3-msg layout stacked, move left; MST=$get_layout; i3-msg layout stacked, focus up, focus right, layout $STK, focus parent, focus left, move right, focus left, layout $MST"
 bindsym $mod+Shift+n exec "STK=$get_layout; i3-msg layout stacked, move left; MST=$get_layout; i3-msg layout stacked, focus up, move right, focus up, layout $STK, focus parent, focus left, layout $MST"