我有一些图像分为两行,宽度随着浏览器窗口的大小调整而随容器增长和缩小。
但是,图像可以是任何宽高比,我必须将它们约束到80宽度:53高度比。我几乎一天都在尝试各种各样的事情,现在无济于事。我该怎么做到这一点?
body {
background-color: #666;
display: flex;
justify-content: center;
}
.container {
background-color: white;
display: flex;
flex-wrap: wrap;
width: 90%;
}
.img-box {
flex-basis: 50%;
}
img {
display: block;
width: 100%;
}
<!DOCTYPE html>
<html>
<head>
<title>Parcel Sandbox</title>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./src/styles.css" />
</head>
<body>
<div class="container">
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553174975-8b6c0a0d8fc9?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553174975-8b6c0a0d8fc9?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
</div>
<script src="src/index.js"></script>
</body>
</html>
codesandbox:https://codesandbox.io/s/8x3qjompz9
理想的结果:
哇,我终于设法理解了什么被解释in this article。容器现在调整大小,其中flex-items内部调整大小,同时保持纵横比。
最后的诀窍是在div上设置一个padding-top: 30%
,其中包含作为“高度”的图像然后给它们position: relative
。这使我能够给孩子(现在被填充顶部向下推)position: absolute
并将其放在top:0; left:0
位置。
我必须使用padding-top
而不是height
的原因是因为高度是从父级计算的,当我们想要的是从元素的宽度计算的高度。使用百分比的padding-top
是根据元素的宽度计算的。
body {
background-color: #666;
display: flex;
justify-content: center;
}
.container {
background-color: white;
display: flex;
flex-wrap: wrap;
width: 90%;
}
.img-box {
box-sizing: border-box;
border: 2px solid cyan;
flex-basis: 50%;
padding-top: 30%;
position: relative;
overflow: hidden;
}
img {
display: block;
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
object-fit: cover;
object-position: 50% 50%;
}
<!DOCTYPE html>
<html>
<head>
<title>Parcel Sandbox</title>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./src/styles.css" />
</head>
<body>
<div class="container">
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553174975-8b6c0a0d8fc9?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553174975-8b6c0a0d8fc9?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
<div class="img-box">
<img
src="https://images.unsplash.com/photo-1553155905-b94ab6f10bc8?ixlib=rb-1.2.1&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&ixid=eyJhcHBfaWQiOjU1Nzk4fQ"
/>
</div>
</div>
<script src="src/index.js"></script>
</body>
</html>