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<html><head><style> .div1 { width: 300px; height: 100px; border: 1px solid blue;}.div2 { width: 300px; height: 100px; padding: 50px; border: 1px solid red;}</style></head><body><h1>Without box-sizing</h1><div class="div1">This div is smaller (width is 300px and height is 100px).</div><br><div class="div2">This div is bigger (width is also 300px and height is 100px).</div></body><!-- Mirrored from www.w3schools.com/css/tryit.asp?filename=trycss3_box-sizing_old by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 16:49:15 GMT --></html>