1.效果

2.代码
<body>
<div class="container">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="more">......</div>
</body>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.container {
width: 50%;
height: 200px;
padding: 30px;
background-color: aquamarine;
margin: 100px auto;
display: flex;
align-items: center;
}
.container .item{
height: 100%;
padding: 10px;
margin: 10px;
background-color: #1acd7e;
}
.container .more {
height: 100%;
width: 100px;
background-color: #ccc;
margin-left: auto;
}
3.核心代码说明

4.总结