Improvement in UI/UX and fixing a bug

UI/UX:
So the colors, fonts and website behaviour and not smooth and can be better i have a good Design Knowledge and i think that i can fix this ASAP!
BUG :
1)Refer Screenshot or got to the website and click on about the box is overflowing and above part of about container is not visible which is bad &
2) the console log is full of errors
Please Assign this to me so that i can start working on this ASAP!