顺风 CSS 背景尺寸
原文:https://www.geeksforgeeks.org/tailwind-css-background-size/
该类在顺风 CSS 中接受多个值。所有的属性都包含在类的形式中。它是 CSS 背景大小属性的替代品。此类用于设置背景图像的大小。
背景尺寸等级:
- BG-自动
- BG-盖
- BG-包含
bg-auto: 用于将背景大小类设置为默认值。它用于将背景图像显示为其原始大小。
语法:
<element class="bg-auto">...</element>
示例:
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<link href=
"https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css"
rel="stylesheet">
</head>
<body class="text-center">
<h1 class="text-green-600 text-5xl font-bold">
GeeksforGeeks
</h1>
<b>Tailwind CSS Background Size Space Class</b>
<div class="bg-green-300
mx-16
space-y-4
p-2
justify-between">
<div class="bg-no-repeat bg-auto bg-center
bg-green-200 w-full h-48 border-2"
style="background-image:url(
https://media.geeksforgeeks.org/wp-content/uploads/20210222231443/Screenshot20210222231435.png)">
</div>
</div>
</body>
</html>
输出:
bg-cover: 用于调整背景图像大小，覆盖整个容器元素。
语法:
<element class="bg-cover">...</element>
示例:
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<link href=
"https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css"
rel="stylesheet">
</head>
<body class="text-center">
<h1 class="text-green-600 text-5xl font-bold">
GeeksforGeeks
</h1>
<b>Tailwind CSS Background Size Space Class</b>
<div class="bg-green-300
mx-16
space-y-4
p-2
justify-between">
<div class="bg-no-repeat bg-cover bg-center
bg-green-200 w-full h-48 border-2"
style="background-image:url(
https://media.geeksforgeeks.org/wp-content/uploads/20210222231443/Screenshot20210222231435.png)">
</div>
</div>
</body>
</html>
输出:
bg-contain: 用于通过收缩将背景图像包含在容器内。
语法:
<element class="bg-contain">...</element>
示例:
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<link href=
"https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css"
rel="stylesheet">
</head>
<body class="text-center">
<h1 class="text-green-600 text-5xl font-bold">
GeeksforGeeks
</h1>
<b>Tailwind CSS Background Size Space Class</b>
<div class="bg-green-300
mx-16
space-y-4
p-2
justify-between">
<div class="bg-no-repeat bg-contain bg-center
bg-green-200 w-full h-48 border-2"
style="background-image: url(
https://media.geeksforgeeks.org/wp-content/uploads/20210222231443/Screenshot20210222231435.png)">
</div>
</div>
</body>
</html>
输出:
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