Music-System/text.html at master · JYC0413/Music-System · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        body{
            height: 100vh;
            transition: all 1s;
        }

         .kaiguan{
             position: absolute;
             top: 20px;
             right: 50px;
             width: 40px;
             height: 20px;
             border: 2px solid black;
             border-radius: 20px;
             cursor: pointer;
             transition: all 3s;
         }
         .bai{

             position: absolute;
             top: 1.5px;
             left: 2px;
             height: 13px;
             width: 13px;
             background-color: rgb(0, 0, 0);
             border-radius: 50%;
             transition: all 1s;
         }
        .hei{

             position: absolute;
             top: 1.5px;
             right: 2px;
             height: 13px;
             width: 13px;
             background-color: rgb(11, 243, 81);
             border-radius: 50%;
             transition: all 1s;
         }
         h1{
             margin: 100px auto;
             width: 1000px;
             text-align: center;
         }
         p{
             margin: -60px auto;
             width: 1100px;
             text-align-last:center;
         }
    </style>
</head>
<body id='body'>
    <div class="kaiguan" >
        <div class="bai" id="anniu"></div>
    </div>
    <h1>Life of Pi</h1>
    <p >
        &emsp;&emsp;&emsp; He lives in Scarborough. He's a small, slim man – nomore than five foot five. Dark hair, dark eyes. Hair greyingat the temples. Can't be older than forty.            leasingcoffee-coloured complexion1. Mild fall weather, yet puts on abig winter parka with fur-lined hood2 for the walk to thediner.
        He lives in Scarborough. He's a small, slim man – nomore than five foot
    </p >
</body>
<script>
    var anniu=document.getElementById('anniu')
    var kaiguan=document.querySelector('kaiguan')
    var body=document.getElementById('body')
    var temp=1
    anniu.addEventListener('click',function(){
        if(temp==1){
            this.className='hei'
            temp=0
            kaiguan.style.border='2px solid  rgb(11, 243, 81)'
            body.style.backgroundColor='rgb(7,7,29)'
            body.style.color='white'
        }else{
            this.className='bai'
            temp=1
            kaiguan.style.border='2px solid black'
            body.style. backgroundColor= 'white'
            body.style.color = 'black'
        }
    })

</script>

</html>