id选择器 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>id选择器</title>
        <style>
        /* 
            id选择器
                作用：根据元素的id属性值，选中一个元素
                语法：#id
                列子：#bootom
                
         */
            #bootom{
                font-size: 50px;
            }
            
            #hello{
                background-color:blue ;
            }
        </style>
    </head>
    <body>
        <p id="bootom">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Officia nesciunt quisquam magni cum neque facilis id ad aliquam adipisci fuga? Consequatur magni ullam temporibus iste quaerat doloribus ea esse eos.</p>
        <p id="hello">How are you</p>
    </body>
</html>

 

posted @ 2022-05-08 11:01  氯丙嗪  阅读(35)  评论(0)    收藏  举报