changed color theme to quietlight

.vimrc

@@ -6,6 +6,7 @@ call vundle#begin()
 Plugin 'preservim/nerdtree'
 Plugin 'ycm-core/YouCompleteMe'
 Plugin 'airblade/vim-gitgutter'
+Plugin 'aonemd/quietlight.vim'
 
 call vundle#end()
 filetype plugin indent on
@@ -26,6 +27,9 @@ set visualbell
 set encoding=utf-8
 set ttyfast
 
+set background=light
+colorscheme quietlight
+
 " always show mode status line
 set laststatus=2
 " always show mode
@@ -34,4 +38,5 @@ set showmode
 
 inoremap jj <ESC>
 
-set t_Co=256
+" set t_Co=256
+set termguicolors