html代碼:
<header class="header"></header>
<aside class="aside"></aside>
<main class="main"></main>
css代碼:
.header{
width: 100%;
height: 60px;
background-color: #B3C0D1;
}
.aside{
position: absolute;
top: 60px;
left: 0;
bottom: 0;
width: 300px;
background-color: #D3DCE6;
}
.main{
position: absolute;
top: 60px;
right: 0;
left: 300px;
bottom: 0;
background-color: #E9EEF3;
}
效果展示:
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNfRHLGZkRGZkRfJ3bs92YsYTMfVmepNHLxkFRNFzaq5UMJpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2X0hXZ0xCMx81dvRWYoNHLrdEZwZ1Rh5WNXp1bwNjW1ZUba9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnLzEzN1UDMzEjM4IzMwkTMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)