highlight CocErrorSign   ctermfg=168 guifg=#e06c75 ctermbg=NONE guibg=NONE
highlight CocInfoSign    ctermfg=75  guifg=#61afef ctermbg=NONE guibg=NONE
highlight CocWarningSign ctermfg=180 guifg=#e5c07b ctermbg=NONE guibg=NONE