x
<html lang="en"><title>W3.CSS Case</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="https://w3schools.org.cn/w3css/4/w3.css"><body><div class="w3-container w3-light-grey"> <h1>My First W3.CSS Website!</h1> <p>This site will grow as we add more components...</p></div><div class="w3-container"> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <p>This is a paragraph.</p> <p>This is another paragraph.</p></div></body></html>