Hi Jiashun Chen,

Here Module name : ABC

We should set css for pos-ticket.

(1) Add 'xyz.css' file with follow this structure ABC > static > src > css > xyz.css

     Now set code in xyz.css :

          .pos .pos-sale-ticket {

                width: 220px;

          }

(2) Now register css file path. Add 'asset_views.xml' file with follow this structure ABC > views > asset_views.xml

Now set code in asset_views.xml :

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

        <odoo>

           <template id="assets" name="point_of_sale assets" inherit_id="point_of_sale.assets">

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

            <link rel="stylesheet" href="/ABC/static/src/css/custom_pos.css"/>

        </xpath>

    </template>

</odoo>

(3) Now register 'asset_views.xml' file path in __manifest__.py file.

'data': [

      'views/asset_views.xml',

],

Regards,

Email:   odoo@aktivsoftware.com

Skype: kalpeshmaheshwari

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