刚学dw求解答网页效果的问题

网页刚进去有一个大图片用鼠标点一下大图片向上下分开,或者消失,这种效果可以做出来吗不用js,

把大图片分成上下两个图片,在js中设置鼠标点击事件用css动画让两个图片向上下分开

不用js的

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <title> 页面名称 </title>
</head>

<style type="text/css">

html,body {
    padding: 0;
    margin: 0;
    height: 100%;
}

@keyframes anim1{
      0% {transform: translatey(0%);}
    100% {transform: translatey(-100%);}
}
@keyframes anim2{
      0% {transform: translatey(0%);}
    100% {transform: translatey(100%);}
}

#label {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
}
#imgbox {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#upimg {
    width: 100%;
    height: 50%;
    background: #099 url("a.jpg") no-repeat top;
    background-size:  100vw 100vh;
}
#dnimg {
    width: 100%;
    height: 50%;
    background: #099 url("a.jpg") no-repeat bottom;
    background-size: 100vw 100vh;
}

#che {
    display: none;
}

#che:checked + div #upimg {
    animation: anim1 5s forwards;
}
#che:checked + div #dnimg {
    animation: anim2 5s forwards;
}
#che:checked + div + label {
    display: none;
}
</style>
<body>
<input type="checkbox" id="che" />
<div id="imgbox">
<div id="upimg"></div>
<div id="dnimg"></div>
</div>
<label for="che" id="label">
</label>

</body>
</html>

如有帮助,望采纳!谢谢!