ahhqcheng

#!/bin/bash

#####################################
#Author: Leon Lee                   #
#email: lendylongli@gmail.com       #
#QQ: 730395591                      #
#Version: 1.0                       #
#Note: If you have some good ideas  #
#	or advice, please mail me^^ #
#####################################

ahhqcheng

# 1. Make sure you have nginx sub module compiled in
# nginx -V  2>&1 | grep --color=always '\-\-with\-http_sub_module'

# 2. add two directives below at HTTP level

# nginx.conf
http {
        # ......

        sub_filter  '</head>' '<style type="text/css">html{ filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); -webkit-filter: grayscale(100%); } img { _filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=0); -webkit-filter: grayscale(100%); } </style>';