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<html><head><style> #main { background-color: lightgrey; border: 30px solid transparent; border-image: url('border.png') 30 30 30 30 1 1 1 1 0 round;}</style></head><body><div id="main"><p>This is a DIV element that uses an image as a border.</p></div><p>Click the "Try it" button to change the value of the borderImageOutset property.</p><button onclick="myFunction()">Try it</button><script>function myFunction() { document.getElementById("main").style.borderImageOutset = "5px 10px 20px 15px";}</script></body></html>