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

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Smartphone icons created by Freepik - Flaticon

// detect and display the available width of your device
document.getElementById("demo").innerHTML = 
"Available screen width is " + screen.availWidth + "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 the available width of the landscape mode. The screen.availWidth property returns the width of the visitor's screen, in pixels, minus interface features like the Taskbar, app launcher or any panels that may be configured.