Use the [attribute|=”value”] selector to select elements with the specified attribute starting with a specified value.
You can try to run the following code to implement CSS [attribute|=”value”] Selector,
Example
<!DOCTYPE html> <html> <head> <style> [lang| = en] { border: 5px solid orange; border-radius: 5px; } </style> </head> <body> <p lang = "en">Hello</p> <p lang = "no">Hei</p> </body> </html>