泰风 CSS 占位符不透明

原文:https://www . geesforgeks . org/tail wind-CSS-占位符-不透明度/

这个类在顺风 CSS 中接受很多值，其中所有的属性都以类的形式被覆盖。通过使用这个类，我们可以设置任何占位符文本的不透明度。在 CSS 中，我们通过使用 CSS 不透明度属性来实现。

占位符不透明度类别:

  • 占位符-不透明度-0: 使用占位符-不透明度-{amount} 实用程序控制元素占位符颜色的不透明度。

注意:不透明度的数量可以在 0 到 100 之间变化，跨度为 5。

语法:

<element class="placeholder-{opacity}">...</element>

示例:

超文本标记语言

<!DOCTYPE html> 
<head> 
    <link href=
"https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css" 
          rel="stylesheet"> 
</head> 

<body class="text-center mx-4 space-y-2"> 
    <h1 class="text-green-600 text-5xl font-bold">
        GeeksforGeeks
    </h1> 
    <b>Tailwind CSS Placeholder Opacity Class</b> 
    <div class="mx-14 bg-green-200 grid grid-rows-4
                grid-flow-col text-justify p-4">
        <input class="placeholder-green-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-100 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-green-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-75 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-green-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-50 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-green-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-25 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-yellow-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-100 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-yellow-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-75 border-2
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-yellow-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-50 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-yellow-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-25 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-indigo-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-100 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-indigo-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-75 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-indigo-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-50 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">
        <input class="placeholder-indigo-800 p-3 m-2 rounded-lg 
                      placeholder-opacity-25 border-2 
                      border-green-400 bg-green-100" 
               placeholder="Geeksforgeeks@gfg.org">

    </div>
</body> 

</html> 

输出:

占位符不透明度

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