【发布时间】：2021-02-24 11:59:35
【问题描述】：
我在尸体上准备了三个容器。页眉，主要和页脚。主要使用网格并包含几个孩子。问题是较低的孩子在高度上溢出了一个容器，在这种情况下他们也溢出了一个页脚。
我拥有的元素越多，溢出越多。
我的目标是“主”包含没有溢出的子元素。
我也将不胜感激解释，考虑到我没有任何固定尺寸，为什么主不自动授权高度。
您可以检查一下它现在在 codepen 上的工作方式： https://codepen.io/kornavol/pen/gOLXKKo
body {
width: 80%;
text-align: center;
margin: auto;
}
.grid-container {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
grid-template-rows: minmax(0, 1fr);
gap: 3%;
margin: 20px auto 20px
}
.card {
box-shadow: 0 0 20px #777;
border-radius: 25px;
text-align: center;
}
.card>img {
width: 100%;
height: 40%;
object-fit: cover;
border-radius: 0;
border-top-left-radius: 25px;
border-top-right-radius: 25px;
}
.card>a {
text-decoration: none;
color: black;
}
.card>a>h4 {
width: 100px;
background-color: rgb(255, 150, 22);
border-radius: 5px;
margin: auto;
}
.banner {
width: 100%;
height: 20vw;
object-fit: cover;
}
header>h1 {
height: 60px;
line-height: 60px;
border-left: 10px solid #00ffff;
background-color: rgb(96, 104, 111);
border-top-right-radius: 15px;
color: white;
}
footer>img {
border-top-left-radius: 15px;
border-top-right-radius: 15px;
}
footer>h1 {
height: 60px;
line-height: 60px;
border-left: 10px solid #00ffff;
background-color: rgb(96, 104, 111);
border-radius: 0;
border-bottom-left-radius: 15px;
color: white;
}<div id="root">
<div class="App">
<header>
<h1>Welcome on My Store</h1><img class="banner" style="border-bottom-left-radius: 25px; border-bottom-right-radius: 25px;" src="https://images.unsplash.com/photo-1472851294608-062f824d29cc?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80"
alt="Something went wrong! Please try again later." title="How's the scene">
</header>
<main class="grid-container">
<div class="card"><img src="https://images.unsplash.com/photo-1512499617640-c74ae3a79d37?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=966&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Iphone</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1100</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
<div class="card"><img src="https://images.unsplash.com/photo-1593642632505-1f965e8426e9?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=925&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Samsung</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1200</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
<div class="card"><img src="https://images.unsplash.com/photo-1550029402-226115b7c579?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=701&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Huawei</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1300</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
<div class="card"><img src="https://images.unsplash.com/photo-1491933382434-500287f9b54b?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=700&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Nokia</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1400</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
<div class="card"><img src="https://images.unsplash.com/photo-1516163109866-e9d98630a0a6?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Pixel</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1500</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
<div class="card"><img src="https://images.unsplash.com/photo-1572797258555-4f33f86f443f?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1048&q=80" alt="Something went wrong! Please try again later." title="How's the scene">
<h3>Test</h3>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Enim, distinctio facilis dolores ullam autem ad commodi.</p>
<h4>Price: $1600</h4>
<a href="">
<h4>Add to Cart</h4>
</a>
</div>
</main>
<footer><img class="banner" style="border-top-left-radius: 25px; border-top-right-radius: 25px;" src="https://images.unsplash.com/photo-1542581509-7e87190743b6?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80"
alt="Something went wrong! Please try again later." title="How's the scene">
<p>- 2021 -</p>
<h1 class="la">We're looking forward to see you again</h1>
</footer>
</div>
</div>【问题讨论】：