Resizable panel responsive bug

Questions
1

there is a bug with the resizable panel and responsive behavior. if I expand the panel to 700px and then the full windows reduce the size to 480px the panel remains in 700px instead of adjust to the 480px taking the info inside the panel outside the user view

2

You can add in CSS .panel {max-width: 100%}

3

You can add in CSS .panel {max-width: 100%}