diff --git a/lib/gui.tcl b/lib/gui.tcl
index bfef450..3be4f53 100644
--- a/lib/gui.tcl
+++ b/lib/gui.tcl
@@ -66,8 +66,8 @@ if [info exists cfgVariables(theme)] {
     ttk::style theme use $cfgVariables(theme)
 }
 
-ttk::frame .frmMenu -border 1 -relief raised
-frame .frmBody -border 1 -relief raised -highlightthickness 0
+ttk::frame .frmMenu -border 0 -relief raised
+ttk::frame .frmBody -border 1 -relief raised
 ttk::frame .frmStatus -border 0 -relief sunken 
 pack .frmMenu -side top -padx 1 -fill x
 pack .frmBody -side top -padx 1 -fill both -expand true
@@ -128,7 +128,7 @@ grid $frmTree.v -row 0 -column 1 -sticky nsew
 grid columnconfigure $frmTree 0 -weight 1
 grid rowconfigure $frmTree 0 -weight 1
 
-set frmWork [ttk::frame .frmWork]
+set frmWork [ttk::frame .frmWork -border 0 -relief flat]
 
 set nbEditor [ttk::notebook $frmWork.nbEditor]
 
@@ -180,4 +180,3 @@ if {$cfgVariables(filesPanelShow) eq "true"} {
 ttk::style configure . \
     -foreground $::cfgVariables(guiFG) \
     -font $::cfgVariables(guiFont)
-
diff --git a/theme/ttk_theme_dark.tcl b/theme/ttk_theme_dark.tcl
index cd22ef0..7a0f4ea 100644
--- a/theme/ttk_theme_dark.tcl
+++ b/theme/ttk_theme_dark.tcl
@@ -63,7 +63,7 @@ namespace eval ttk::theme::dark {
         -indicatorbackground "#ffffff" -indicatormargin {1 1 4 1}
         ttk::style configure TRadiobutton \
         -indicatorbackground "#ffffff" -indicatormargin {1 1 4 1}
-        
+        ttk::style configure TFrame -relief flat -border -1
         # ttk::style configure TEntry -fieldbackground #ffffff -foreground #000000 -padding {2 0}
         ttk::style configure TEntry -fieldbackground $colors(-lightframe) -foreground #ffffff -padding {2 0}
         
@@ -76,6 +76,8 @@ namespace eval ttk::theme::dark {
             -fieldbackground $colors(-lightframe) \
             -foreground #ffffff
         
+        ttk::style configure TNotebook 
+            # -bordercolor $colors(-frame)
         ttk::style configure TNotebook.Tab \
         -padding {6 2 6 2}