How to add a custom css? | Odoo

What is the best way to add custom css to openerp 7 without modifying any original file of openerp?

Just create a module and add your css file in __openerp__.py as below.

# __openerp__.py

 {  

   'name': "CSS Example",     'description': "new css example",     'category': 'Generic Modules/Others',     'depends': ['web'],     'data': [],     'css': ['static/src/css/my_css.css'], 

}

<?xml version="1.0" encoding="utf-8"?>

<!-- vim:fdn=3:

-->

<openerp>

    <data>

        <template id="custom_assets_backend" name="custom assets" inherit_id="web.assets_backend">

            <xpath expr="." position="inside">

                <script type="text/javascript" src="modulename/static/src/js/my_js.js"></script>

            </xpath>

        </template>

    </data>

 </openerp>

What is the best way to add custom css and js to odoo ?

Just create a module and add your css file and js file in views/custom_view.xml as below.

<link rel="stylesheet" href="modulename/static/src/css/my_css.css"/>