Send the following on WhatsApp
Continue to Chatរបៀបកំណត់រូបភាព Background ជាមួយ CSS https://www.techfree.info/2016/09/29/how-to-set-background-image-with-css/
របៀបកំណត់រូបភាព Background ជាមួយ CSS https://www.techfree.info/2016/09/29/how-to-set-background-image-with-css/