To set the minimum and maximum width of an element, you can try to run the following code
Example
<!DOCTYPE html> <html> <head> <style> div { max-width: 300px; min-width: 100px; background-color: red; } </style> </head> <body> <p> Below is a div with maximum and minimum width. Resize the web browser to see the effect.</p> <div>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. </div> </body> </html>