<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
.list{
width: 200px;
height: 250px;
overflow: hidden;
transform: rotate(120deg);
margin: 200px;
}
.list_child{
width: 100%;
height: 100%;
overflow: hidden;
transform: rotate(-60deg);
}
.list_child_child{
width: 100%;
height: 100%;
overflow: hidden;
transform: rotate(-60deg);
background-color: red;
}
</style>
</head>
<body>
<div class="list">
<div class="list_child">
<div class="list_child_child"></div>
</div>
</div>
</body>
</html>
