How can place the selectors in the navigation Var in the same line please

Question

logo .home .about .portfolio .contact
https://code.sololearn.com/WLNbITYnfiQg/?ref=app

Answer 1

by deleting the css you wrote to nav class. Add this to the css file.
.nav_bar ul {
display:block;
}
.nav_bar ul li {
display:inline-block;
}

the cointaner div is not closed.