代码部分
<body>
<div class="father">
<div class="son1"></div>
<div class="son2"></div>
</div>
</body>
<style>
.father {
padding: 15px 20px;
display: flex;
border:1px solid black;
max-width: 400px;
}
.son1 {
width: 100px;
height: 30px;
background-color: red;
}
.son2 {
width: 100px;
height: 50px;
background-color: rgb(0, 4, 255);
}
</style>