diff --git a/autoload/SpaceVim/layers/colorscheme.vim b/autoload/SpaceVim/layers/colorscheme.vim
index 348b9b76c..9d989f645 100644
--- a/autoload/SpaceVim/layers/colorscheme.vim
+++ b/autoload/SpaceVim/layers/colorscheme.vim
@@ -173,3 +173,29 @@ function! SpaceVim#layers#colorscheme#plugins() abort
                 \ ['jacoborus/tender'],
                 \ ]
 endfunction
+
+let s:cs = ['gruvbox', 'molokai', 'onedark', 'jellybeans']
+let s:Number = SpaceVim#api#import('data#number')
+function! SpaceVim#layers#colorscheme#config() abort
+    call SpaceVim#mapping#space#def('nnoremap', ['T', 'n'],
+                \ 'call call(' . string(s:_function('s:cycle_spacevim_theme'))
+                \ . ', [])', 'cycle-spacevim-theme', 1)
+endfunction
+" function() wrapper
+if v:version > 703 || v:version == 703 && has('patch1170')
+    function! s:_function(fstr) abort
+        return function(a:fstr)
+    endfunction
+else
+    function! s:_SID() abort
+        return matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze__SID$')
+    endfunction
+    let s:_s = '<SNR>' . s:_SID() . '_'
+    function! s:_function(fstr) abort
+        return function(substitute(a:fstr, 's:', s:_s, 'g'))
+    endfunction
+endif
+function! s:cycle_spacevim_theme() abort
+    let id = s:Number.random(0, len(s:cs))
+    exe 'colorscheme ' . s:cs[id]
+endfunction
diff --git a/autoload/SpaceVim/layers/ui.vim b/autoload/SpaceVim/layers/ui.vim
index a13611bb6..0633feda4 100644
--- a/autoload/SpaceVim/layers/ui.vim
+++ b/autoload/SpaceVim/layers/ui.vim
@@ -22,4 +22,24 @@ function! SpaceVim#layers#ui#config() abort
     let g:signify_disable_by_default = 0
     let g:signify_line_highlight = 0
     noremap <silent> <F2> :TagbarToggle<CR>
+    " Ui toggles
+    call SpaceVim#mapping#space#def('nnoremap', ['T', 'F'], '<F11>', 'fullscreen-frame', 0)
+    call SpaceVim#mapping#space#def('nnoremap', ['T', 'm'], 'call call(' . string(s:_function('s:toggle_menu_bar')) . ', [])', 'menu-bar', 1)
+endfunction
+" function() wrapper
+if v:version > 703 || v:version == 703 && has('patch1170')
+  function! s:_function(fstr) abort
+    return function(a:fstr)
+  endfunction
+else
+  function! s:_SID() abort
+    return matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze__SID$')
+  endfunction
+  let s:_s = '<SNR>' . s:_SID() . '_'
+  function! s:_function(fstr) abort
+    return function(substitute(a:fstr, 's:', s:_s, 'g'))
+  endfunction
+endif
+function! s:toggle_menu_bar() abort
+ echom 1
 endfunction
diff --git a/autoload/SpaceVim/mapping/space.vim b/autoload/SpaceVim/mapping/space.vim
index f14718273..e8a58aeeb 100644
--- a/autoload/SpaceVim/mapping/space.vim
+++ b/autoload/SpaceVim/mapping/space.vim
@@ -6,7 +6,8 @@ function! SpaceVim#mapping#space#init() abort
     nmap <Space> [SPC]
     let g:_spacevim_mappings_space = {}
     let g:_spacevim_mappings_space['?'] = ['Unite menu:CustomKeyMaps -input=[SPC]', 'show mappings']
-    let g:_spacevim_mappings_space.t = {'name' : '+Toggle editor visuals'}
+    let g:_spacevim_mappings_space.t = {'name' : '+Toggles'}
+    let g:_spacevim_mappings_space.T = {'name' : '+UI toggles/themes'}
     let g:_spacevim_mappings_space.a = {'name' : '+Applications'}
     let g:_spacevim_mappings_space.b = {'name' : '+Buffers'}
     let g:_spacevim_mappings_space.f = {'name' : '+Files'}