Use the all property to reset all the properties. Set all property to initial, inherit or unset.
Example
You can try to run the following code to implement the CSS all property
<!DOCTYPE html> <html> <head> <style> html { color: blue; } #demo { background-color: yellow; color: red; all: inherit; } </style> </head> <body> <h2>CSS all property</h2> <div id = "demo">This is demo text.</div> </body> </html>