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console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<!-- CSS_selectors003.html -->
<html>
    <head>
        <style>
            * {
                 color : red; 
            }
        </style>

  </head>
  <body>
    
    <p> This is a paragraph</p>

    <h1> This is a large heading</h1>

    <h4> This is a small heading</h4>

    <p> This is a paragraph</p>

    </h6> This is an extra small heading</h6>
  </body>

</html>