Customize , edit Laravel Page -- 2

I need more customizations on my Laravel site.

1. Customize mobil view one 1 Page
2. on same page Datapicker make it automatically selected ( todays date +1)
3. Add Whatsapp link on same page for mobile view , i have the code for this !
4. Corect 1 error on this page ! (Uncaught be
message
:
"Map: Expected mapDiv of type HTMLElement but was passed null." )

Please make your bid with Price and time . !