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 height
document.getElementById("demo").innerHTML = 
"Available screen height is " + screen.availHeight + "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 height of the landscape mode. The screen.availHeight property returns the height of the visitor's screen, in pixels, minus interface features like the Taskbar, app launcher or any panels that may be configured.