I am supposed to make following webpage
但是当我使用超赞字体类添加图像中突出显示的时钟图标时，它没有显示。 以下是我的代码。我在哪里犯错？预先感谢。
<!DOCTYPE html>
<html lang="en">
<head>
<title>Assignment1_2</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto&display=swap" rel="stylesheet">
<style>
*{ font-family: 'Roboto',sans-serif;}
</style>
</head>
<body>
<nav class="navbar navbar-expand-sm bg-dark navbar-dark">
<div class = "container">
<a class="navbar-brand" href="#">Layout3</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="collapsibleNavbar">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Services</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Contact</a>
</li>
</ul>
</div>
</div>
</nav>
<!--- navbar ends -->
<div class="container">
<div class="row">
<div class="col-md-8 pt-5">
<h2>Blog Post Title</h2>
<h5><small>by</small><span class = "text-primary"> Text</span></h5>
<hr class="w-100 mx-auto">
</div>
<div class="col-md-4 pt-3" >
<span class="d-xl-block px-4 py-3 rounded" style ="background-color: #e9ecef; border: 1px solid #ced4da">
<h5 class="pt-0">Blog Search</h5>
<div class="input-group md-form form-sm pl-0 pb-2 pt-1">
<input class="form-control my-0 py-1 border-50 rounded-left "style="border-left:2px solid #ced4da; border-top:2px solid #ced4da; border-bottom:2px solid #ced4da; border-right:1px solid #ced4da" type="text" aria-label="Search">
<div class="input-group-append">
<span class="input-group-text bg-light border-50 border-left-0 rounded-right"style="border-width: 2px" id="basic-text1"><i class="fa fa-search" aria-hidden="true"></i></span>
</div>
</div>
</span>
</div>
</div>
<div class="row">
<div class="col-md-8 pt-5">
<i class="far fa-clock"></i>
</div>
</div>
</div>
</body>
</html>
但是当我使用超赞字体类添加图像中突出显示的时钟图标时，它没有显示。 以下是我的代码。我在哪里犯错？预先感谢