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无法在引导程序 4 中更改导航链接颜色

[英]Can't change nav-link color in bootstrap 4

<nav id="section_navbar" class="navbar navbar-expand-lg fixed-top">
        <div class="mx-auto my-2 order-0 order-md-1 position-relative">
            <div id="top_logo" class="container-fluid">
                <span>VirtualQR</span>
            </div>
        </div>
        <div class="navbar-collapse collapse w-100 dual-collapse2 order-2 order-md-1">
            <ul class="navbar-nav ml-auto">
                <li class="nav-item">
                    <a class="nav-link" href="#section_navbar">Home</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#section_howdoesitwork">How does it work?</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#section_pricing">Pricings</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#section_contact">Contacts</a>
                </li>
            </ul>

I can't get the nav-link to change color.我无法让导航链接更改颜色。 I've tried other posts solutions but couldn't get it to work anyways.我已经尝试过其他帖子解决方案,但无论如何都无法让它工作。 I don't know if it has something to do with my code.我不知道这是否与我的代码有关。

Welcome to Stack Overflow.欢迎来到堆栈溢出。 Here's what you can do.这是你可以做的。

 /* Select bootstrap link */.link{ color: gray; }
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous"> <:-- Standart--> <a href="#" class="nav-link">helllooo</a> <;-- use bootstrap color labels --> <a href="#" class="nav-link text-dark">helllooo</a> <!-- Use Inline Css--> <a href="#" class="nav-link" style="color: red;">helllooo</a> <!-- Use External Css--> <a href="#" class="nav-link link">helllooo</a>

With the following CSS selector, you will be able to change the color of the nav-link class.使用以下 CSS 选择器,您将能够更改nav-link class 的颜色。

 .nav-link { color: red; }
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous"> <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script> <nav id="section_navbar" class="navbar navbar-expand-lg fixed-top"> <div class="mx-auto my-2 order-0 order-md-1 position-relative"> <div id="top_logo" class="container-fluid"> <span>VirtualQR</span> </div> </div> <div class="navbar-collapse collapse w-100 dual-collapse2 order-2 order-md-1"> <ul class="navbar-nav ml-auto"> <li class="nav-item"> <a class="nav-link" href="#section_navbar">Home</a> </li> <li class="nav-item"> <a class="nav-link" href="#section_howdoesitwork">How does it work?</a> </li> <li class="nav-item"> <a class="nav-link" href="#section_pricing">Pricings</a> </li> <li class="nav-item"> <a class="nav-link" href="#section_contact">Contacts</a> </li> </ul> </div> </nav>

Add inline css after each nav-link as below:在每个导航链接之后添加内联 css,如下所示:

 <a class="nav-link" href="#section_navbar" style="color: red;">Home</a>

What you can do is this:你可以做的是:

.nav-link{
  color:red;
}

Put this code in your external CSS file将此代码放入您的外部 CSS 文件中

.nav-link {
  color: red;
}

OR或者

Put it as internal css like below将其作为内部 css 如下所示

<head>
    <style>
           .nav-link {
              color: red;
            }

    </style>
</head>

OR或者

put it as inline CSS like below把它作为内联 CSS 如下所示

<a class="nav-link" href="#section_navbar" style="color: red;">Home</a>

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