第1个回答 2017-12-02
<!DOCTYPE html>
<html>
<head>
<style>
div{
width:100px;
height:100px;
position:absolute;
}
#df
{
background-color:red;
animation:mymove 1s infinite;
-webkit-animation:mymove 1s infinite;
}
@keyframes mymove
{
from {top:200px;}
to {top:0px;}
}
</style>
</head>
<body>
<div id="df"></div>
</body>
</html>本回答被网友采纳
<html>
<head>
<style>
div{
width:100px;
height:100px;
position:absolute;
}
#df
{
background-color:red;
animation:mymove 1s infinite;
-webkit-animation:mymove 1s infinite;
}
@keyframes mymove
{
from {top:200px;}
to {top:0px;}
}
</style>
</head>
<body>
<div id="df"></div>
</body>
</html>本回答被网友采纳
第2个回答 2019-11-17
浮动：float:left
