add comment to explain css code part.
add new wrapper class to group the content in the middle.
set wrapper to 90% transparency and 80% width.
add class top to style the logo of the website separately (width 30%, margins, and display style).
add buttons class to wrap the navigation buttons and set it to appear on the right of the logo and right margin 1rem.
add menu class to control each buttons in the navigation bar and set the margin top and bottom so it aligned with the logo on the left.
add col-1of1 class to control the content with h1,h2, and p.
add class grid:after to clear the styling.
add responsive size to the menu and top class (header) to change size when the size is smaller than 1070px width.