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<html><title>W3.CSS</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css"><body><div class="w3-container"> <h2>Mobile First Responsiveness</h2> <p class="w3-large">Try to resize the window!</p></div><div class="w3-row w3-border"><div class="w3-quarter w3-container w3-red"> <h2>w3-quarter</h2> <p>The quarter class uses 25% of parent container.</p> <p>On screens smaller than 601 pixels it resizes to full screen.</p></div><div class="w3-quarter w3-container"> <h2>w3-quarter</h2></div><div class="w3-quarter w3-container"> <h2>w3-quarter</h2></div><div class="w3-quarter w3-container"> <h2>w3-quarter</h2></div></div></body><!-- Mirrored from www.w3schools.com/w3css/tryit.asp?filename=tryw3css_ref_responsive_quarter by HTTrack Website Copier/3.x [XR&CO'2014], Thu, 13 Mar 2025 15:31:38 GMT --></html>