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<!DOCTYPE html> <html> <title>W3.CSS</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/w3.css"> <body class="w3-container"> <h2>Button Sizes</h2> <p><button class="w3-btn w3-tiny w3-red">Tiny</button></p> <p><button class="w3-btn w3-small w3-red">Small</button></p> <p><button class="w3-btn w3-red">Normal</button></p> <p><button class="w3-btn w3-large w3-red">Large</button></p> <p><button class="w3-btn w3-xlarge w3-red">xLarge</button></p> <p><button class="w3-btn w3-xxlarge w3-red">xxLarge</button></p> <p><button class="w3-btn w3-xxxlarge w3-red">xxxLarge</button></p> <p><button class="w3-btn w3-jumbo w3-red">I am Jumbo</button></p> </body> </html>