Why my menu button is hiding whenever I scroll

Question

https://code.sololearn.com/Wvy5T0lwWMQ2/?ref=app

Help me with this thank you .

Answer 1

I'm not good with front end development, but I believe it is because your navbar doesn't have a fixed position or is not sticky.

Answer 2

#navbar {
position: sticky;
top: 0px;
background: currentColor;
}