CSS

CSS:

概念：层叠样式表

好处：解耦、提高效率

使用：css与html结合的方式 1.内联样式   2.内部样式    3.外部样式

 

 css文件：

div{
    color: brown;
}

基础选择器例子：

 

 扩展选择器例子：

 常见的属性：

 盒子模式：

 

 注册页面：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册主页面</title>
    <style>
        /*让字距离近一点*/
        *{
            margin: 0px;
            padding: 0px;
            box-sizing: border-box;
        }
        body{
            background: url("23.jpg") no-repeat center;
        }
        .layout{
            width: 900px;
            height: 500px;
            border: 5px solid beige;
            background: white ;
            /*让div水平居中*/
            margin: auto;
            padding: 40px;
            margin-top:50px ;
        }
        .leftarea{
            float: left;
            margin: 5px;
        }
        .centerarea{
            float: left;
            margin-left: 5px;
            margin-top: 20px;
        }
        .rightarea{
            float: right;
        }
        a:link{
            color: pink;
        }
        .duiqi{
            width: 100px;
            text-align: right;
            height: 40px;
        }
        .rightgap{
            padding-left: 50px ;
        }
        #user,#password,#birthday,#email,#age,#time{
            width: 250px;
            height: 30px;
            border: 1px solid #A6A6A6;
            /*设置表框圆角*/
            border-radius: 5px;
            padding-left: 10px;
        }
        #sub{
            width: 150px;
            height: 40px;
            background-color: gold;
            border: 1px solid #FFd026;
        }
        #code{
            width: 120px;
            height: 30px;
            border: 1px solid #A6A6A6;
            /*设置表框圆角*/
            border-radius: 5px;
            padding-left: 10px;
        }
        #checkcode{
            width: 120px;
            height: 30px;
            vertical-align: middle;
        }
    </style>
</head>
<body>
<div class="layout">
    <div class="leftarea">
        <p><font color="#ffd026" size=5% >新用户注册</font></p>
        <p><font color="#a6a6a6" size=5%>USER REGISTER</font></p>
    </div>
    <div class="centerarea">
        <div class="html">
            <table>
            <tr>
                <td class="duiqi"><label for="user" >用户名：</label></td>
                <td class="rightgap"><input name="usename" placeholder="请输入用户名" id="user"></td>
            </tr>
            <tr>
                <td class="duiqi">密码：</td>
                <td class="rightgap"><input type="password" name="password" placeholder="请输入密码" id="password"></td>
            </tr>
            <tr>
                <td class="duiqi">性别：</td>
                <td class="rightgap"><input type="radio" name="gender" value="male"> 男
                <input type="radio" name="gender" value="female" checked> 女</td>
            </tr>

            <tr>
                <td class="duiqi">生日：</td>
                <td class="rightgap"><input type="date" name="birthday" id="birthday"></td>
            <tr>
                <td class="duiqi">年龄：</td>
                <td class="rightgap"><input type="number" name="age" id="age"></td></tr>
            <tr>
                <td class="duiqi"> 当前时间：</td>
                <td class="rightgap"><input type="datetime-local" name="nowtime" id="time"></td></tr>
            <tr>
                <td class="duiqi"> 邮箱：</td>
                <td class="rightgap"><input type="email" name="email" id="email"></td>
            </tr>
             <tr>
                    <td class="duiqi"><label for="checkcode">验证码</label></td>
                 <td class="rightgap" ><input  type="text" name="checkcode" id="code">
                <img src="0.png" id="checkcode"> </td>
             </tr>
            <tr>
            <td colspan="2" align="center">
                <input type="submit"  id="sub" value="注册"></td>
            </tr>

            </table>
        </div>
    </div>

    <div class="rightarea">
        <font size="2%">已有账号?<a href="#">立即登录</a></font></p></div>

</div>
</body>
</html>

 

 

 

 

posted @ 2020-02-04 20:50  acehm  阅读(165)  评论(0)  编辑  收藏  举报