- Create this HTML document with an external CSS file

Create this HTML document with an external CSS file: Header 1 Header 2 Header 3 This is a paragraph Here is a break in this sentence, here are a couple Of horizontal lines here is a div With no border here is a second div With style setting the Width to Of the Width and ellow bac nd color div With blue bolder here is a div With centered text Here is an example of a div With display property set to flex. Which puts inner DIV's side by side here is a div inside the outer div here is a second div