Newsletter form validartion and DOM manipulation

Hi eveyone, so i really struggled with getting the main svg image into the container could someone advise me on a better way next time as i thought it could be quite simple but it turnt out i had to do it with posistio relative the move the img with top and left properties.

also could someone tell me on best practices to line up the small circle ticks with my text i tried embedding the img in the li which turned out okay but not perfect.

i used HTMLS built in validation instead of Javascript, Would love to hear if anyone else has better/ more productive ways of doing this project, thanks everyone in advance.