I was devloping a website page named as prayer for enemies to leave me alone (https://knowmyislam.com/prayer-for-enemies-to-leave-me-alone/) but during designing I was facing an error when I'm trying to use JS or CSS. Can someone guide my what should I do?

I have published the content as it is. Please advice regarding to my issue. 

Thank you

Ans:  Text, Text Area, Text Area Long, Rich Text Area, URL. Is this is the right answer or is there something else????

13. Can we change the data type from Text to Auto Number for the Name when we already have?

Ans: I feel the answer is yes. If yes, please do let me know the explanation . If no, let me know the reason as well. Thanks guys.