I am trying to make the navbar using bootstrap and CSS. I tried many ways but to change the navbar text color, but none of any way is working except inline CSS. Anyone can help me in resolving my issue.
<!DOCType html>
<html>
<head>
  <title>My Second Class Assignment</title>
  <link href="css/bootstrap.min.css" rel="stylesheet">
  <link href="css/style.css" rel="stylesheet">
</head>
<body>
  <div class="container">
    <nav class="navbar navbar-expand-lg navbar-light bg-white">
      <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
          <li class="nav-item">
            <a class="navbar-brand" href="#">
              <img src="image/logo.png" class="d-inline-block align-top" alt="Learn Xpert">
            </a>
          </li>
          <li class="nav-item active">
            <a class="nav-link" href="#">HOME <span class="sr-only">(current)</span></a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">PAGES</a>
          </li>
          <li class="nav-item">
            <a class="nav-link text-blue" href="#">BLOG</a>
          </li>
          <li class="nav-item">
            <a class="nav-link text-blue" href="#">CONTACT</a>
          </li>
        </ul>
      </div>
  </div>
  </nav>
  <!---JavaScript--->
  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
  <script src="js/bootstrap.min.js" rel="stylesheet"></script>
</body>
</html>
CSS File
/* CSS */ 
a{
    color:#ff6347;
    font-size: 20px;
}
 
     
     
    