Colors are easy to customize in VIM.

Download your file into the folder in the vim heirarchy 'Colors' as (using your example)

vim-gotham.vim

Add an entry in your vimrc or gvimrc file similar to:

source $VIM\vimfiles\colors\vim-gotham.vim

I placed the source command as the last entry in mine.

Colors are easy to customize in VIM.

Download your file into the folder in the vim hierarchy colors as (using your example)

vim-gotham.vim

Add an entry in your vimrc or gvimrc file similar to:

source $VIM\vimfiles\colors\vim-gotham.vim

I placed the source command as the last entry in mine.