Hero image and social media icons

HTML-CSS
1

please my image is not showing, i want to reduce the length an make social media icons to be centralised

2

hello can someone help

3

Try this

.text-center {
  text-align: center;
}
4

OK. I also want the background image to fit the screen

5

If you Google CSS full-screen background image you will find a number of results that show how to do this.