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html - 导航栏项目的文本颜色不反映自定义 CSS

问题描述

我的导航栏文本的颜色没有改变。我猜我正在使用默认导航栏。我对 Bootstrap 很陌生，我已经搜索了互联网，但似乎没有任何效果。

/*Navigation bar*/

.menu-bar {
  background-color: #101010;
}

* {
  font-family: 'Poppins', sans-serif;
}

.nav-link {
  font-size: 24px;
  color: #FFFFFF;
}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<link rel="stylesheet" href="../css/style.css">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap" rel="stylesheet">

<div class="header">
  <div class="menu-bar">
    <nav class="navbar navbar-expand-lg navbar-light bg-transparent">
      <div class="container-fluid">
        <a class="navbar-brand" href="#"><img src="../assets/Icon.svg" width="32" height="auto"> </a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                         <span class="navbar-toggler-icon"></span>
                       </button>
        <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
          <ul class="navbar-nav ml-auto">
            <li class="nav-item">
              <a class="nav-link active" aria-current="page" href="#">Home</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#">Features</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#">Pricing</a>
            </li>
            <li class="nav-item">
              <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
            </li>
          </ul>
        </div>
      </div>
    </nav>
  </div>
</div>

<main>

</main>

<footer>

</footer>

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>

我知道在 color( .nav-link )前面写重要的东西会让我的代码工作，但我在一篇文章中读到这样做不是一个好习惯。我试图在网上观看教程，但它对我不起作用（虽然它对他们有用:)。

标签： htmlcsstwitter-bootstrapbootstrap-4

解决方案

在您的 CSS 代码中，尝试将您的选择器更改.nav-link为.navbar-light .navbar-nav .nav-link，如下所示：

.navbar-light .navbar-nav .nav-link{
    font-size: 24px;
    color: #FFFFFF;
}

事实上，为了给这个元素应用样式，Bootstrap 使用了.navbar-light .navbar-nav .nav-link比你的更具体的选择器。在 CSS 中，将应用最具体的选择器。

有关 CSS 特异性的更多信息：https ://www.w3schools.com/css/css_specificity.asp

<!DOCTYPE html>
<html lang="en">


<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Stiks</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
    <link rel="stylesheet" href="../css/style.css">
    <link rel="preconnect" href="https://fonts.gstatic.com">
    <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap" rel="stylesheet">
    <style>
    /*Navigation bar*/
.menu-bar{
    background-color: #101010;
}

*{
    font-family: 'Poppins', sans-serif;
}

.navbar-light .navbar-nav .nav-link{
    font-size: 24px;
    color: #FFFFFF;
}
    </style>
</head>


<body>
            <div class="header">
              <div class="menu-bar">
               <nav class="navbar navbar-expand-lg navbar-light bg-transparent">
                 <div class="container-fluid">
                    <a class="navbar-brand" href="#"><img src="../assets/Icon.svg" width="32" height="auto"> </a>
                    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                     <span class="navbar-toggler-icon"></span>
                   </button>
                    <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
                      <ul class="navbar-nav ml-auto">
                        <li class="nav-item">
                         <a class="nav-link active" aria-current="page" href="#">Home</a>
                       </li>
                       <li class="nav-item">
                         <a class="nav-link" href="#">Features</a>
                       </li>
                       <li class="nav-item">
                          <a class="nav-link" href="#">Pricing</a>
                       </li>
                        <li class="nav-item">
                          <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
                        </li>
                     </ul>
                   </div>
                  </div>
                </nav>
              </div>
            </div>

    <main>

    </main>

    <footer>

    </footer>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>

</body>
</html>

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