Technical documentation with html and css error

Tell us what’s happening:
I was trying to sought out the error, but not able to pass the test. Can someone help me with this?? I am not able to understand the error and searching for ways to solve it.

Your code so far
https://codepen.io/safna123/pen/VwvYWXb

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36.

Challenge: Build a Technical Documentation Page

Link to the challenge:

In your nav elements, you are missing an underscore on SQL_Select_Distinct.

Hooe this helps :smiley:

Thank you so much. I actually thought made a mistake on technical side. But I did made a silly mistake since I am new to codes and stuffs like this . Next time I would check out each and everything. Thanks again for helping me in this.