Eternity theme is full response which means it adapts itself according to the display size which give the best browsing experience on smartphones and tablets. Responsive option is enabled by default but we are giving you the option to disable it by selecting “Yes” radio button
If you want to read more about responsive options kindly check: Why Using a Responsive WordPress Theme is Crucial for your Business?
Display Responsive Menu at Width
You can set the width which you would like to begin displaying the Responsive menu.. default value is 1117px.
Display Top Header on Responsive View
On Responsive View Turn Top Header on or off.