请老师检查代码
来源：2-20 编程练习
DanteSu
2021-08-25 21:43:02
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>2-4</title>
<style type="text/css">
div {
font-family: 'Microsoft Yahei';
font-size: 60px;
font-weight: bold;
line-height: 600px;
position: absolute;
top: -1000px;
right: 0;
left: 0;
width: 800px;
height: 600px;
margin: auto;
text-align: center;
border: 5px solid #000;
border-radius: 50%;
animation-name: disp;
animation-duration: 1s;
/*此处写代码*/
animation: down 1s linear 2s;
}
@keyframes down{
from{
top: -1000px;
}
to{
top: 0px;
}
}
</style>
</head>
<body>
<div>大家好，欢迎来到慕课网！</div>
</body>
</html>
1回答
-
好帮手慕然然
2021-08-26
同学你好，代码实现效果没问题，继续加油，祝学习愉快！
0
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