This site is mobile accessible. Press the "Tap Here" button to use a different font-size.

Tap Here!

Smartphone icons created by Freepik - Flaticon

// detect and display the screen width
document.getElementById("demo").innerHTML = 
"Screen width is " + screen.width + "px";

If you're looking at this page with a cell phone, rotate the phone to the landscape orientation and refresh the page to see how wide the landscape mode is.