源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> <style> div { height: 100px; width: 500px; background-color: powderblue; } </style> </head> <body> <h2>设置元素的高度和宽度</h2> <p>这个div元素有一个高度是500px/宽度100px:</p> <div></div> </body> </html>
运行结果