Hi Nikola, it's me again :))
For the icon things, i would suggest using this site to import some icons: fontawesome.com, this site has various kind of icon and really easy to use, you can customize the icon color from css file here is how you use it: https://www.w3schools.com/css/css_icons.asp
Also, you should check the report above, it might helpful sometime
Your code look pretty good, keep it up, Happy coding !!