issue: A big circle on the bottom of about us page

### issue :

A big circle is appearing on the bottom of about us page.

### cause :

According the provided comments in code, it is happening due to loader of that page.

### Screenshot :

![Chillitray-Technologies](https://github.com/chillitray/chillitray.github.io/assets/108118506/443b0c1a-5ce8-490d-9352-a93dabfe6edf)

