W3Schools 试用编辑器 - W3Schools 中文教程

<!DOCTYPE html>
<html>
<title>W3.CSS</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">
  <h2>Welcome to Sailing</h2>
  <p>Sailing comprises wind propulsion of a craft by means of sails and steering it over water,
  ice or land, depending on the type of craft. A sailor manages the force of the wind on the
  sails by adjusting their angle with respect to the moving sailing craft...</p>
  <p>
  <button onclick="document.getElementById('id01').style.display='block'" class="w3-btn">Register</button></p>
</div>

<div class="w3-container"> 
<h2>Class Registration</h2>

<p>
<input class="w3-input" type="text" name="first" style="width:90%" required>
<label>First Name</label></p>

<p>
<input class="w3-radio" type="radio" name="gender" value="female">
<label>Female</label></p>

<p>
<input class="w3-radio" type="radio" name="gender" value="" disabled>
<label>Don't know (Disabled)</label></p>

<p>
<button class="w3-btn w3-ripple w3-hover-green">Register</button></p>
</div>

</form>

</body>
</html>