<!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">
<title>Document</title>
<style>
.a,
.b,
.c {
box-sizing: border-box;
border: 1px solid;
}
.wrap {
width: 250px;
}
.a {
width: 100px;
height: 100px;
float: left;
background: pink;
}
.b {
width: 100px;
height: 50px;
float: left;
background: orange;
}
.c {
width: 100px;
height: 100px;
display: inline-block;
/* float: left; */
background: green;
}
</style>
</head>
<body>
<div class="wrap">
<div class="a">a</div>
<div class="b">b</div>
<div class="c">c</div>
</div>
</body>
</html>
