利用css设置背景图片 <!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style type="text/css"> /* *{}表示html所有元素 */ *{ margin: 0; padding: 0; } div { width: 100%; height: 100%; position: fixed; background-repeat: no-repeat; background-position: 0px 0px; background-size: 100% 100%; font-size: 30px; background-image: url(blue.jpg); /* background-image: url(你的名字.jpg); */ } </style></head><body> <div></div></body></html>
图片全屏填充每个角落
->margin:0; padding:0;