结构
<div class="menu">
<div class="item">首页</div>
<div class="item">公告</div>
<div class="item">产品</div>
<div class="item">关于</div>
<div class="item">登录/注册</div>
</div>
样式
.menu {
display: flex;
padding: 10px;
background-color: #f00;
color: #fff;
}
.item {
padding: 0 10px;
}
.item:last-child {
margin-left: auto;
}