several issues i m facing with my website

i m facing several issues in my website.
No. 1) On Single listing page its showing duplicate image. for example i m uploading two images it has to show 1 big image and 2 thumbnil under the first big image. but its showing 3 same size images out 3 images two were same.

No. 2) Price font is Not responsive and its coming out of box. for reference i m pasting a link so you can check. https://ciavi.in/listing/car-for-sale-urgent/ for reference pic attached

No.3) in main search how can i change search option from Zip/Postal Code to city

No. 4) I m using boxed layout, in footer area social media icon going out of this are. for reference pic attached