How do I make floating window fullscreen? about rnvimr

[kevinhwang91]

call plug#begin('~/.config/nvim/plugged')
Plug 'kevinhwang91/rnvimr'
nnoremap <silent> <M-o> :RnvimrToggle<CR>
tnoremap <silent> <M-o> <C-\><C-n>:RnvimrToggle<CR>
let g:rnvimr_layout = {
            \ 'relative': 'editor',
            \ 'width': float2nr(1.0 * &columns),
            \ 'height': float2nr(1.0 * &lines) - 2,
            \ 'col': 0,
            \ 'row': 0,
            \ 'style': 'minimal'
            \ }
let g:rnvimr_presets = [{}]

call plug#end()