<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.outerDiv{
width: 500px;
height: 303px;
border: 1px solid greenyellow;
background-color: rgb(165, 212, 212);
}
.innerDiv{
width: 100px;
height: 100px;
border: 1px solid rebeccapurple;
/* float: left; */
}
.d1{
background-color: bisque;
/* 使用float达到浮动的效果 right就是靠右 */
float: right;
}
.d2{
background-color: rgba(0, 76, 255, 0.227);
/* float: right; */
/* float: left; */
}
.d3{
background-color: rgb(219, 167, 167);
/* float: right; */
/* float: left; */
}
</style>
</head>
<body>
<div class="outerDiv">
<div class="innerDiv d1">框1</div>
<div class="innerDiv d2">框2</div>
<div class="innerDiv d3">框3</div>
</div>
</body>
</html>