simple example to print receipt on the web with a nice look
1 - download the files
2 - open index.html
3 - connect your receipt printer
4 - click print button
5 - costumize the r_sales.html page as you like
6 - Enjoy :) ..
tetsed with html,php,laravel
worked fine on chrome, frefox, opera, and safari
tested on 57mm roll and 80mm roll printers