I created a sidebar toggle and also gave background opacity but when I click another area or when closed the sidebar the background opacity didn't close. when I click the button the dropdown-content show and the background-opacity show but when I click again on the button the dropdown content closed but the background opacity does not close. How I did it. Please help me. I gave the code below. If someone can help me it will be very helpful for me. I try so many times but in the end, I can't do it.