remove overflow auto from gridmaker

src/gridmaker.jl

@@ -15,7 +15,7 @@ Constructs a Node containing empty nodes in a row by column grid. A member can t
 """
 
 function make_grid(rows::Integer, columns::Integer, width = 500, height = 800)
-    style_row  = Dict(:height => "$(100/rows)%", :overflow => "auto")
+    style_row  = Dict(:height => "$(100/rows)%")
     style_grid = Dict(:width  => width, :height => height)
     Node(:div, style=style_grid, (Node(:div, style=style_row, make_row(columns)...)
                                  for i in 1:rows)...)