点击运行
<!DOCTYPE html> <html> <head> <style> p.normal { font-weight: normal; } p.light { font-weight: lighter; } p.thick { font-weight: bold; } p.thicker { font-weight: 900; } </style> </head> <body> <p class="normal">This is a paragraph.</p> <p class="light">This is a paragraph.</p> <p class="thick">This is a paragraph.</p> <p class="thicker">This is a paragraph.</p> </body> </html>
运行结果
