css---4表单相关伪类 

input:enabled{ color:red;} 
input:disabled{ color:blue;}
enabled or disable

表单的状态

input:checked{ width:100px;height:100px;}
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
input:checked{ width:100px;height:100px;}
</style>
</head>
<body>
<input type="checkbox" />
</body>
</html>
View Code

表格获取焦点 input:focus{}        !不适用div

            input:focus{
                background: pink;
            }
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            input:focus{
                background: pink;
            }
            div:focus{
                background: blue;
            }
            
        </style>
    </head>
    <body>
        <input type="text"  value="" />
        <div style="width: 200px;height: 200px;background: red;" contenteditable="true" ></div>
    </body>
</html>
input:focus

 

input 模拟单选框

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            input:focus{
                background: pink;
            }
            div:focus{
                background: blue;
            }
            
        </style>
    </head>
    <body>
        <input type="text"  value="" />
        <div style="width: 200px;height: 200px;background: red;" contenteditable="true" ></div>
    </body>
</html>
！importent

 

posted @ 2019-10-30 12:02  distant-遥远  阅读(293)  评论(0)  编辑  收藏  举报