为什么我设置的背景没有被显示
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>主题</title>
<style type="text/css">
body{background-image: url("http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E7%BD%91%E7%AB%99%E8%83%8C%E6%99%AF%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&cs=726661828,2758549640&os=2228873300,1871909306&simid=3439302190,300194912&pn=5&rn=1&di=19776411160&ln=1590&fr=&fmq=1534075403413_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fpic3.16pic.com%2F00%2F03%2F77%2F16pic_377171_b.jpg&rpstart=0&rpnum=0&adpicid=0&ctd=1534075408417^3_1182X859%1#pn=5&spn=0&di=19776411160&adpicid=0&lpn=0&cs=726661828%2C2758549640&pi=0&simid=3439302190%2C300194912&objurl=http%3A%2F%2Fpic3.16pic.com%2F00%2F03%2F77%2F16pic_377171_b.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B8mrtv_z%26e3Bv54AzdH3Fri5p5AzdH3Frtv_n00808_z%26e3Bip4s&W=650&H=365&S=&TP=jpg")}
div{color: red}
hr{color: aqua}
</style>
</head>
<body>
<br/>
<div ><big>登录页面</big></div>
<hr/>
账户：<input type="email"><br><br/>
密码：<input type="password"><br><br/>
<button type="button">注册</button>
</body>
</html>
Copyright 2014-2024 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
1
1484
收藏
![ThinkPHP5实战之[教学管理系统]](https://img.php.cn/upload/course/000/000/068/6253d87459486427.png)
url指向具体图片地址