The Box Model: Davie's Burgers

I am requesting a code review of my code from The Box Model: Davie’s Burgers in the Front End Engineer Career Path.

Here is my code:

<!DOCTYPE html>
<html>
<head>
  <title>Davie JR's Menu</title>
  <link href="https://fonts.googleapis.com/css?family=Roboto:100,500,700|Oswald:300,400,700" rel="stylesheet">
  <link rel="stylesheet" type="text/css" href="reset.css">
  <link rel="stylesheet" type="text/css" href="style.css">
</head>

<body>

  <!-- Navigation Section -->

  <nav>
    <img src="https://content.codecademy.com/courses/web-101/unit-6/htmlcss1-img_burger-logo.svg" />
    <span><a href="#">MENU</a></span>
    <span><a href="#">NUTRITION</a></span>
    <span><a href="#">ORDER</a></span>
    <span><a href="#">LOCATIONS</a></span>
  </nav>

  <!-- Content Section -->

  <div class="content">

    <!-- Content Header -->
    
    <div class="header">
      <h1>BBQ BACON BURGER</h1>
    </div>

    <!-- Content Body -->

    <div class="body">
      <p>
        Our BBQ Bacon Burger features our special house ground blend of wagyu and sirloin, spiced perfectly, and finished off with just a drop of white truffle oil. A butter grilled brioche bun layered with roasted red onion, perfectly crispy pork belly, and our hickory smoked BBQ sauce.
      </p>

      <!-- Order Button -->

      <a href="#" class="button">ORDER NOW</a>

      <!-- Nutrition Information -->
      
      <ul class="nutrition">
        <li>
          <span class="category">CALORIES</span>
          <span class="value">678</span>
        </li>
        <li>
          <span class="category">FAT</span>
          <span class="value">32</span>
        </li>
        <li>
          <span class="category">PROTEIN</span>
          <span class="value">8</span>
        </li>
        <li>
          <span class="category">CARBOHYDRATES</span>
          <span class="value">34</span>
        </li>
        <li>
          <span class="category">SODIUM</span>
          <span class="value">112</span>
        </li>
      </ul>
    </div>
  </div>
  
</body>
</html>
/* Universal Styles */

body {
  background-image: url("https://content.codecademy.com/courses/web-101/unit-6/htmlcss1-img_foodlogo.png");
  text-align: center;
  font-family: 'Roboto', sans-serif;
  font-size: 18px;
}

a {
  text-decoration: none;
}

/* Navigation */

nav {
  text-align: center;
}

nav img {
  display: block;
  width: 180px;
  margin: 0 auto;
}

nav span {
  display: block;
  font-size: 16px;
  font-weight: 100;
  letter-spacing: 2px;
  margin: 10px 0;
}

nav a {
  color: #666666;
}

/* Content Container */

.content {
  width: 100%;
  height: 500px;
  margin: 10px auto;
  overflow: scroll;
}

/* Content Header */

.header {
  background-image: url("https://content.codecademy.com/courses/web-101/unit-6/htmlcss1-img_burgerphoto.jpeg");
  background-position: center;
  background-size: cover;
  height: 320px;
}

.header h1 {
  background-color: #05A8AA;
  color: #FFF;
  font-family: 'Oswald', sans-serif;
  font-size: 40px;
  font-weight: 300;
  line-height: 40px;
  width: 68%;
  padding: 20px;
  margin: 0 auto;
}

/* Content Body */

.content .body {
  width: 90%;
  margin: 0 auto;
}

.body p {
  color: #333333;
  font-weight: 100;
  line-height: 34px;
  width: 90%;
  margin-top: 18px;
}

/* Content Button */

.button {
  border-radius: 4px;
  color: #05A8AA;
  display: block;
  font-weight: 700;
  width: 200px;
  padding: 20px;
  margin: 40px auto;
  border: 1px solid blue;
}

.button:hover {
  background-color: #05A8AA;
  border: 1px solid #05A8AA;
  color: #FFF;
}

/* Content Nutrition */

ul.nutrition {
  padding: 20px;
}

ul.nutrition li {
  display: inline-block;
  background-color: #05A8AA;
  list-style: none;
  width: 200px;
  padding: 10px 20px;
  margin-bottom: 3px;
}

.nutrition .category {
  color: white;
  font-weight: 100;
  letter-spacing: 2px;
  display: block;
}

.nutrition .value {
  color: white;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
}