<!DOCTYPE html>
<html>
<head>
<title>login.html</title>
<title>登录</title>
<link rel="stylesheet" type="text/css" href="./CSS/login.css">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/htmlcharset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
</head>
<body>
<div id="container">
<h1 id="title">小菊花爱心书店</h1>
<div id="information">
<form action="first.html">
<div id="box">
账号：<input type="text" name="keyName">
<br>
密码：<input type="password" name="userPass">
<br>
<input id="B" class="button1" type="submit" name="buyer" value="login">
<br>
<a href="register.html">立即注册</a>
</div>
</form>
</div>
</div>
</body>
</html>
------------------------------------------------
css文件
------------------------------------------------
@CHARSET "GB2312"
body{
background-image:url(../img/login.jpg)
background-size: cover
margin: 0
padding: 0
}
#container{
height:500px
width:400px
background-color:#D2B571
border-radius: 10px
margin: 100px auto
position:relative
box-shadow:2px 2px 10px #888888
}
h1{
text-align: center
padding-top:50px
color: white
}
#information{
background-color: #F5F4F2
height: 350px
width:400px
position:absolute
margin-top: 10px
}
#box{
width:200px
margin-left: 100px
margin-top: 60px
}
input{
display: block
width: 200px
padding-top:5px
height:35px
border: 1.5px solid #eee
border-radius:10px
background-color:#F4F8FF
}
.button1 {
height:35px
margin-top: 20px
padding: 5px 15px
text-align: center
background-color: #F48951
color: white
border: 0px
border-radius:10px
box-shadow:2px 2px 10px #888888
}
.button1:hover {
background-color: white
color: #F48951
border: 1.5px solid #F48951
}
button{
width:90px
position:absolute
top:70px
}
button:hover {
width:90px
position:absolute
top:62px
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html charset=utf-8" />
<link rel="stylesheet" type="text/css" href="css/xing.css" />
</head>
<body>
<div id="content" style="margin:0 auto background-color:#0F6 width:1000px height:500px position:relative">
<div class="login" style="position:absolute top:50%left:50%margin-top:-100pxmargin-left:-200pxbackground:#69F width:400px height: 200px border-radius:10px">
<div style=" margin-left:100pxmargin-top:50px">
<p style="display:inline">用户名:</p>
<input type="text" value="123"/>
</div>
<div style="margin-left:100pxmargin-top:20px">
<p style="display:inline">密 码:</p>
<input type="password" value="123"/>
</div>
<div style=" text-align:centermargin-top:20px">
<input class="button" type="button" value="登录" style="margin-right:10px padding:5px 15px background:#F9C border-radius:3px border:#F0C 1px solid"/>
<input class="button" type="button" value="重置" style="padding:5px 15px background:#F9C border-radius:3px border:#F0C 1px solid"/>
</div>
</div>
</div>
</body>
</html>
整体居中，效果还可以。
