Help with navbar collapse {solved}

1

when my navbar collapses the toggler button dosent opens think you can help me?

2

You need javascript for that.

3

theanks how can i do thet?

4

i got it theank you vere much

5

Add the Bootstrap Javascript from your pen settings. On your CSS settings, you have both BS3 and BS4 added, you need to pick just one of them, as you could encounter conflicts