我這個代碼哪里錯了？
<!DOCTYPE?HTML>
<html>
<head>
?????<meta?charset="utf">
?????<title>relative樣式</title>
?????<style?type=:"text/css">
?????#div1{
?????width:200px;
?????height:200px;
?????border:2px?red?solid;
?????position:relative;
?????left:100px;
?????top:50px;
?????}
?????</style>
</head>
<body>
?????<div?id="div1"></div>
</body>
</html>
2023-12-20
還有left,? ?right? ?top? bollom都要反著寫嗎？? ?