Clean setup

.tmux.conf

set -g default-terminal "xterm-256color"
set-option -ga terminal-overrides ",xterm-256color:Tc"
set -g prefix C-x
unbind-key C-x
bind-key C-2 send-prefix

bind \ split-window -h -c '#{pane_current_path}'
bind / split-window -v -c '#{pane_current_path}'

# Copy-paste integration
set-option -g default-command "reattach-to-user-namespace -l zsh"

# Use vim keybindings in copy mode
setw -g mode-keys vi

# Setup 'v' to begin selection as in Vim
bind-key -Tcopy-mode-vi 'v' send -X begin-selection
bind-key -Tcopy-mode-vi 'y' send -X copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -Tcopy-mode-vi Enter
bind-key -Tcopy-mode-vi Enter send -X copy-pipe "reattach-to-user-namespace pbcopy"

# Bind ']' to use pbpaste
bind ] run "reattach-to-user-namespace pbpaste | tmux load-buffer - && tmux paste-buffer"

set -g escape-time 0

# move around panes with j and k, a bit like vim
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind r source-file ${HOME}/.tmux.conf \; display-message "Config reloaded"

set -g -q mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e; send-keys -M'"

set -g status-interval 5
set -g status-right-length 200
set -g status-right '#(battery -t) | %H:%M %m-%d-%y' 
set -g status-justify left
set -g status-bg default
set -g status-fg colour3
set -g window-status-current-bg colour3
set -g window-status-current-fg colour0
set -g window-status-bell-style none
set -g window-status-bell-bg colour1
set -g window-status-bell-fg colour0
set -g window-status-current-format "#{?window_zoomed_flag,#[bg=colour4],} #W #{?window_zoomed_flag,#[bg=colour4],}"

set -g pane-border-fg colour236
set -g pane-active-border-fg colour236
set -g pane-active-border-bg default

.vimrc

set statusline=%t
set fillchars+=vert:\  
colorscheme base16-ocean-clean

base16-ocean-clean.vim

" base16-vim (https://github.com/chriskempson/base16-vim)
" by Chris Kempson (http://chriskempson.com)
" Ocean scheme by Chris Kempson (http://chriskempson.com)

" This enables the coresponding base16-shell script to run so that
" :colorscheme works in terminals supported by base16-shell scripts
" User must set this variable in .vimrc
"   let g:base16_shell_path=base16-builder/output/shell/
if !has('gui_running')
  if exists("g:base16_shell_path")
    execute "silent !/bin/sh ".g:base16_shell_path."/base16-ocean.".&background.".sh"
  endif
endif

" GUI color definitions
let s:gui00 = "202020"
let s:gui01 = "202020"
let s:gui02 = "303030"
let s:gui03 = "505050"
let s:gui04 = "a7adba"
let s:gui05 = "c0c5ce"
let s:gui06 = "dfe1e8"
let s:gui07 = "eff1f5"
let s:gui08 = "bf616a"
let s:gui09 = "d08770"
let s:gui0A = "ebcb8b"
let s:gui0B = "a3be8c"
let s:gui0C = "96b5b4"
let s:gui0D = "8fa1b3"
let s:gui0E = "b48ead"
let s:gui0F = "ab7967"

" Terminal color definitions
let s:cterm00 = "00"
let s:cterm03 = "08"
let s:cterm05 = "07"
let s:cterm07 = "15"
let s:cterm08 = "01"
let s:cterm0A = "03"
let s:cterm0B = "02"
let s:cterm0C = "06"
let s:cterm0D = "04"
let s:cterm0E = "05"
if exists('base16colorspace') && base16colorspace == "256"
  let s:cterm01 = "18"
  let s:cterm02 = "19"
  let s:cterm04 = "20"
  let s:cterm06 = "21"
  let s:cterm09 = "16"
  let s:cterm0F = "17"
else
  let s:cterm01 = "10"
  let s:cterm02 = "11"
  let s:cterm04 = "12"
  let s:cterm06 = "13"
  let s:cterm09 = "09"
  let s:cterm0F = "14"
endif

" Theme setup
hi clear
syntax reset
let g:colors_name = "base16-ocean-clean"

" Highlighting function
fun <sid>hi(group, guifg, guibg, ctermfg, ctermbg, attr, guisp)
  if a:guifg != ""
    exec "hi " . a:group . " guifg=#" . a:guifg
  endif
  if a:guibg != ""
    exec "hi " . a:group . " guibg=#" . a:guibg
  endif
  if a:ctermfg != ""
    exec "hi " . a:group . " ctermfg=" . a:ctermfg
  endif
  if a:ctermbg != ""
    exec "hi " . a:group . " ctermbg=" . a:ctermbg
  endif
  if a:attr != ""
    exec "hi " . a:group . " gui=" . a:attr . " cterm=" . a:attr
  endif
  if a:guisp != ""
    exec "hi " . a:group . " guisp=#" . a:guisp
  endif
endfun

" Vim editor colors
call <sid>hi("Bold",          "", "", "", "", "bold", "")
call <sid>hi("Debug",         s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("Directory",     s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("Error",         s:gui00, s:gui08, s:cterm00, s:cterm08, "", "")
call <sid>hi("ErrorMsg",      s:gui08, s:gui00, s:cterm08, s:cterm00, "", "")
call <sid>hi("Exception",     s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("FoldColumn",    s:gui0C, s:gui01, s:cterm0C, s:cterm01, "", "")
call <sid>hi("Folded",        s:gui03, s:gui01, s:cterm03, s:cterm01, "", "")
call <sid>hi("IncSearch",     s:gui01, s:gui0A, s:cterm01, s:cterm0A, "none", "")
call <sid>hi("Italic",        "", "", "", "", "none", "")
call <sid>hi("Macro",         s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("MatchParen",    s:gui00, s:gui03, s:cterm00, s:cterm03,  "", "")
call <sid>hi("ModeMsg",       s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("MoreMsg",       s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("Question",      s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("Search",        s:gui01, s:gui0A, s:cterm01, s:cterm0A,  "", "")
call <sid>hi("SpecialKey",    s:gui03, "", s:cterm03, "", "", "")
call <sid>hi("TooLong",       s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("Underlined",    s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("Visual",        "", s:gui02, "", s:cterm02, "", "")
call <sid>hi("VisualNOS",     s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("WarningMsg",    s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("WildMenu",      s:gui08, s:gui0A, s:cterm08, "", "", "")
call <sid>hi("Title",         s:gui0D, "", s:cterm0D, "", "none", "")
call <sid>hi("Conceal",       s:gui0D, s:gui00, s:cterm0D, s:cterm00, "", "")
call <sid>hi("Cursor",        s:gui00, s:gui05, s:cterm00, s:cterm05, "", "")
call <sid>hi("NonText",       s:gui03, s:gui00, s:cterm03, s:cterm00, "", "")
call <sid>hi("Normal",        s:gui05, s:gui00, s:cterm05, s:cterm00, "", "")
call <sid>hi("LineNr",        s:gui02, s:gui01, s:cterm02, s:cterm01, "", "")
call <sid>hi("SignColumn",    s:gui03, s:gui01, s:cterm03, s:cterm01, "", "")
call <sid>hi("StatusLine",    s:gui03, s:gui01, s:cterm03, s:cterm01, "none", "")
call <sid>hi("StatusLineNC",  s:gui02, s:gui01, s:cterm01, s:cterm01, "none", "")
call <sid>hi("VertSplit",     s:gui02, s:gui01, s:cterm01, s:cterm01, "none", "")
call <sid>hi("ColorColumn",   "", s:gui01, "", s:cterm01, "none", "")
call <sid>hi("CursorColumn",  "", s:gui01, "", s:cterm01, "none", "")
call <sid>hi("CursorLine",    "", s:gui01, "", s:cterm01, "none", "")
call <sid>hi("CursorLineNr",  s:gui02, s:gui01, s:cterm02, s:cterm01, "", "")
call <sid>hi("PMenu",         s:gui04, s:gui01, s:cterm04, s:cterm01, "none", "")
call <sid>hi("PMenuSel",      s:gui01, s:gui04, s:cterm01, s:cterm04, "", "")
call <sid>hi("TabLine",       s:gui03, s:gui01, s:cterm02, s:cterm01, "none", "")
call <sid>hi("TabLineFill",   s:gui01, s:gui01, s:cterm01, s:cterm01, "none", "")
call <sid>hi("TabLineSel",    s:gui04, s:gui02, s:cterm02, s:cterm01, "none", "")

" Standard syntax highlighting
call <sid>hi("Boolean",      s:gui09, "", s:cterm09, "", "", "")
call <sid>hi("Character",    s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("Comment",      s:gui03, "", s:cterm03, "", "", "")
call <sid>hi("Conditional",  s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("Constant",     s:gui09, "", s:cterm09, "", "", "")
call <sid>hi("Define",       s:gui0E, "", s:cterm0E, "", "none", "")
call <sid>hi("Delimiter",    s:gui0F, "", s:cterm0F, "", "", "")
call <sid>hi("Float",        s:gui09, "", s:cterm09, "", "", "")
call <sid>hi("Function",     s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("Identifier",   s:gui08, "", s:cterm08, "", "none", "")
call <sid>hi("Include",      s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("Keyword",      s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("Label",        s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("Number",       s:gui09, "", s:cterm09, "", "", "")
call <sid>hi("Operator",     s:gui05, "", s:cterm05, "", "none", "")
call <sid>hi("PreProc",      s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("Repeat",       s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("Special",      s:gui0C, "", s:cterm0C, "", "", "")
call <sid>hi("SpecialChar",  s:gui0F, "", s:cterm0F, "", "", "")
call <sid>hi("Statement",    s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("StorageClass", s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("String",       s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("Structure",    s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("Tag",          s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("Todo",         s:gui0A, s:gui01, s:cterm0A, s:cterm01, "", "")
call <sid>hi("Type",         s:gui0A, "", s:cterm0A, "", "none", "")
call <sid>hi("Typedef",      s:gui0A, "", s:cterm0A, "", "", "")

" C highlighting
call <sid>hi("cOperator",   s:gui0C, "", s:cterm0C, "", "", "")
call <sid>hi("cPreCondit",  s:gui0E, "", s:cterm0E, "", "", "")

" C# highlighting
call <sid>hi("csClass",                 s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("csAttribute",             s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("csModifier",              s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("csType",                  s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("csUnspecifiedStatement",  s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("csContextualStatement",   s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("csNewDecleration",        s:gui08, "", s:cterm08, "", "", "")

" CSS highlighting
call <sid>hi("cssBraces",      s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("cssClassName",   s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("cssColor",       s:gui0C, "", s:cterm0C, "", "", "")

" Diff highlighting
call <sid>hi("DiffAdd",      s:gui0B, s:gui01,  s:cterm0B, s:cterm01, "", "")
call <sid>hi("DiffChange",   s:gui03, s:gui01,  s:cterm03, s:cterm01, "", "")
call <sid>hi("DiffDelete",   s:gui08, s:gui01,  s:cterm08, s:cterm01, "", "")
call <sid>hi("DiffText",     s:gui0D, s:gui01,  s:cterm0D, s:cterm01, "", "")
call <sid>hi("DiffAdded",    s:gui0B, s:gui00,  s:cterm0B, s:cterm00, "", "")
call <sid>hi("DiffFile",     s:gui08, s:gui00,  s:cterm08, s:cterm00, "", "")
call <sid>hi("DiffNewFile",  s:gui0B, s:gui00,  s:cterm0B, s:cterm00, "", "")
call <sid>hi("DiffLine",     s:gui0D, s:gui00,  s:cterm0D, s:cterm00, "", "")
call <sid>hi("DiffRemoved",  s:gui08, s:gui00,  s:cterm08, s:cterm00, "", "")

" Git highlighting
call <sid>hi("gitCommitOverflow",  s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("gitCommitSummary",   s:gui0B, "", s:cterm0B, "", "", "")

" GitGutter highlighting
call <sid>hi("GitGutterAdd",     s:gui0B, s:gui01, s:cterm0B, s:cterm01, "", "")
call <sid>hi("GitGutterChange",  s:gui0D, s:gui01, s:cterm0D, s:cterm01, "", "")
call <sid>hi("GitGutterDelete",  s:gui08, s:gui01, s:cterm08, s:cterm01, "", "")
call <sid>hi("GitGutterChangeDelete",  s:gui0E, s:gui01, s:cterm0E, s:cterm01, "", "")

" HTML highlighting
call <sid>hi("htmlBold",    s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("htmlItalic",  s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("htmlEndTag",  s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("htmlTag",     s:gui05, "", s:cterm05, "", "", "")

" JavaScript highlighting
call <sid>hi("javaScript",        s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("javaScriptBraces",  s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("javaScriptNumber",  s:gui09, "", s:cterm09, "", "", "")

" Mail highlighting
call <sid>hi("mailQuoted1",  s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("mailQuoted2",  s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("mailQuoted3",  s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("mailQuoted4",  s:gui0C, "", s:cterm0C, "", "", "")
call <sid>hi("mailQuoted5",  s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("mailQuoted6",  s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("mailURL",      s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("mailEmail",    s:gui0D, "", s:cterm0D, "", "", "")

" Markdown highlighting
call <sid>hi("markdownCode",              s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("markdownError",             s:gui05, s:gui00, s:cterm05, s:cterm00, "", "")
call <sid>hi("markdownCodeBlock",         s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("markdownHeadingDelimiter",  s:gui0D, "", s:cterm0D, "", "", "")

" NERDTree highlighting
call <sid>hi("NERDTreeDirSlash",  s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("NERDTreeExecFile",  s:gui05, "", s:cterm05, "", "", "")

" PHP highlighting
call <sid>hi("phpMemberSelector",  s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("phpComparison",      s:gui05, "", s:cterm05, "", "", "")
call <sid>hi("phpParent",          s:gui05, "", s:cterm05, "", "", "")

" Python highlighting
call <sid>hi("pythonOperator",  s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("pythonRepeat",    s:gui0E, "", s:cterm0E, "", "", "")

" Ruby highlighting
call <sid>hi("rubyAttribute",               s:gui0D, "", s:cterm0D, "", "", "")
call <sid>hi("rubyConstant",                s:gui0A, "", s:cterm0A, "", "", "")
call <sid>hi("rubyInterpolation",           s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("rubyInterpolationDelimiter",  s:gui0F, "", s:cterm0F, "", "", "")
call <sid>hi("rubyRegexp",                  s:gui0C, "", s:cterm0C, "", "", "")
call <sid>hi("rubySymbol",                  s:gui0B, "", s:cterm0B, "", "", "")
call <sid>hi("rubyStringDelimiter",         s:gui0B, "", s:cterm0B, "", "", "")

" SASS highlighting
call <sid>hi("sassidChar",     s:gui08, "", s:cterm08, "", "", "")
call <sid>hi("sassClassChar",  s:gui09, "", s:cterm09, "", "", "")
call <sid>hi("sassInclude",    s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("sassMixing",     s:gui0E, "", s:cterm0E, "", "", "")
call <sid>hi("sassMixinName",  s:gui0D, "", s:cterm0D, "", "", "")

" Signify highlighting
call <sid>hi("SignifySignAdd",     s:gui0B, s:gui01, s:cterm0B, s:cterm01, "", "")
call <sid>hi("SignifySignChange",  s:gui0D, s:gui01, s:cterm0D, s:cterm01, "", "")
call <sid>hi("SignifySignDelete",  s:gui08, s:gui01, s:cterm08, s:cterm01, "", "")

" Spelling highlighting
call <sid>hi("SpellBad",     "", s:gui00, "", s:cterm00, "undercurl", s:gui08)
call <sid>hi("SpellLocal",   "", s:gui00, "", s:cterm00, "undercurl", s:gui0C)
call <sid>hi("SpellCap",     "", s:gui00, "", s:cterm00, "undercurl", s:gui0D)
call <sid>hi("SpellRare",    "", s:gui00, "", s:cterm00, "undercurl", s:gui0E)

" Remove functions
delf <sid>hi

" Remove color variables
unlet s:gui00 s:gui01 s:gui02 s:gui03  s:gui04  s:gui05  s:gui06  s:gui07  s:gui08  s:gui09 s:gui0A  s:gui0B  s:gui0C  s:gui0D  s:gui0E  s:gui0F
unlet s:cterm00 s:cterm01 s:cterm02 s:cterm03 s:cterm04 s:cterm05 s:cterm06 s:cterm07 s:cterm08 s:cterm09 s:cterm0A s:cterm0B s:cterm0C s:cterm0D s:cterm0E s:cterm0F

iterm.txt

iTerm2 borderless + padding

Follow this instruction: https://github.com/jaredculp/iterm2-borderless-padding

Final result: