<nav class="navbar navbar-expand-lg navbar-dark p-4" style="background-color: #0077B6;">
  <a class="navbar-brand" href="index.php">Freelancer Panel</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="navbarNav">
    <ul class="navbar-nav">
      <li class="nav-item">
        <a class="nav-link" href="index.php">Home</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="profile.php">Profile</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="your_proposals.php">Your Proposals</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="offers_from_clients.php">Offers From Clients</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="core/handleForms.php?logoutUserBtn=1">Logout</a>
      </li>
    </ul>
  </div>
</nav>