练习题
根据下面HTML结构,完成图示布局效果,编写对应CSS代码
<style>
/* 代码编写区域 */
</style>
<div class="main">
    <div>header</div>
    <div>left</div>
    <div>center</div>
    <div>right</div>
    <div>footer</div>
</div>

要求如下:
- 采用网格进行布局,区域之间的间距为10px
 - header、footer区域,宽:自适应,高:100px
 - left、right区域,宽:100px,高:300px
 - center区域,宽:自适应剩余空间,高:300px
 
参考答案
body {
    margin: 0;
}
.main {
    background: skyblue;
    display: grid;
    grid-template-columns: 100px 1fr 100px;
    grid-template-rows: 100px 300px 100px;
    gap: 10px;
}
.main div {
    background: pink;
    display: flex;
    align-items: center;
    justify-content: center;
}
.main div:first-of-type {
    grid-area: 1/1/span 1/span 3;
}
.main div:last-of-type {
    grid-area: 3/1/span 1/span 3;
}