[lightsoff] Reduce border and minimum size to fit on Librem5

[Robert Roth <robertroth src gnome org>]

commit c21326abc7e0ed313684a3f0af22752dbbbcf23e
Author: Robert Roth <robert roth off gmail com>
Date:   Thu Oct 11 19:03:44 2018 +0300

    Reduce border and minimum size to fit on Librem5

 src/board-view-gtk.vala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/board-view-gtk.vala b/src/board-view-gtk.vala
index 5082474..24554ad 100644
--- a/src/board-view-gtk.vala
+++ b/src/board-view-gtk.vala
@@ -14,7 +14,7 @@ public class BoardViewGtk : Gtk.Grid, BoardView
     private Gtk.ToggleButton[,] lights;
 
     public bool playable = true;
-
+    private const int MIN_TOGGLE_SIZE = 48;
     private int _moves = 0;
     public int moves
     {
@@ -27,11 +27,11 @@ public class BoardViewGtk : Gtk.Grid, BoardView
         get_style_context ().add_class ("grid");
         row_homogeneous = true;
         column_homogeneous = true;
-        border_width = 4;
+        border_width = 2;
         row_spacing = 2;
         column_spacing = 2;
 
-        set_size_request (size * 72, size * 72);
+        set_size_request (size * MIN_TOGGLE_SIZE, size * MIN_TOGGLE_SIZE);
 
         puzzle_generator = new PuzzleGenerator (size);
         lights = new Gtk.ToggleButton [size, size];
@@ -108,4 +108,4 @@ public class BoardViewGtk : Gtk.Grid, BoardView
         _moves += 1;
     }
 
-}
\ No newline at end of file
+}