" Line number display and related controls
highlight LineNr       ctermbg=232 ctermfg=58  cterm=NONE
highlight CursorLineNr ctermbg=232 ctermfg=130 cterm=bold

set number relativenumber
nnoremap <silent> <Leader>on :set number!<CR>
nnoremap <silent> <Leader>oN :set relativenumber!<CR>