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HTML 

              
                <head>
  <script src="https://kit.fontawesome.com/a7d8db710a.js"></script>
   <link href="https://fonts.googleapis.com/css?family=Lato:400,700,900&display=swap" rel="stylesheet">
</head>
<body id="body">
  <header id="header">
    <img src="https://s3.amazonaws.com/freecodecamp/original_trombones.png" id="header-img">
    <nav id="nav-bar">
      <ul>
        <li><a href="#features" class="nav-link">Features</a></li>
        <li><a href="#products" class="nav-link">How it works</a></li>
        <li><a href="#pricing" class="nav-link">Pricing</a></li>
      </ul>
    </nav>
  </header>

  <div id="container">
    
    <div id="get-started">
      <h2 class="title">Handcrafted, home-made masterpieces</h2>
      <form action="https://www.freecodecamp.org/email-submit">
        <input id="email-input" type="email" placeholder="Enter your email address"><br>
        <input id="submit-email" type="submit" value="Get started!" name="submit">
      </form>
    </div>
    
    <div id="features">
      <i class="icon fas fa-fire fa-3x"></i>
      <div>
      <h2 class="title">Premium Materials</h2>
      <p>Our trombones use the shiniest brass which is sourced locally. This will increase the longevity of your purchase.</p>
      </div>
      <i class="icon fas fa-truck fa-3x"></i>
      <div>
      <h2 class="title">Fast Shipping</h2>
      <p>We make sure you recieve your trombone as soon as we have finished making it. We also provide free returns if you are not satisfied.</p>
      </div>
      <i class="icon fas fa-battery-full fa-3x"></i>
      <div>
      <h2 class="title">Quality Assurance</h2>
      <p>For every purchase you make, we will ensure there are no damages or faults and we will check and test the pitch of your instrument.</p>
      </div>
    </div>
    
    <div id="products">
      <h2 class="title">How it works</h2>
      <p>This is what you could do with one of our trombones!</p>
      <iframe id="video" width="560" height="315" src="https://www.youtube.com/embed/y8Yv4pnO7qc" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
    </div>
    
    <div id="pricing">
      <h2 class="title">Pricing</h2>
      <div id="price-grid">
        <div class="grid-item">
          <h3>Tenor trombone</h3>
          <p class="price">$600</p>
          <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
          <button class="select-item">Select</button>
        </div>
        <div class="grid-item">
          <h3>Bass trombone</h3>
          <p class="price">$900</p>
          <p>Bacon ipsum dolor amet burgdoggen alcatra buffalo, meatball shank kevin shankle venison filet mignon leberkas. Ribeye tri-tip kevin sirloin burgdoggen doner beef ribs ball tip pork loin. Filet mignon swine picanha turducken capicola.</p>
          <button class="select-item">Select</button>
        </div>
        <div class="grid-item">
          <h3>Valve trombone</h3>
          <p class="price">$1200</p>
          <p>Lorem ipsum dolor amet lomo try-hard bespoke, pop-up locavore poutine wayfarers portland tbh helvetica. Squid godard before they sold out vexillologist sustainable slow-carb man braid hella pop-up messenger bag crucifix vice marfa tumblr. </p>
          <button class="select-item">Select</button>
        </div>
      </div>
    </div>
  </div>
  <footer id="footer">
      <ul>
        <li><a class="footer-link" href=""#>Privacy</a></li>
        <li><a class="footer-link" href=""#>Terms</a></li>
        <li><a class="footer-link" href=""#>Contact</a></li>
      </ul>
    <p>Copyright 2019 <strong>&copy; Original Trombones</strong></p>
    </footer>
</body>
!

CSS 

              
                html {
  box-sizing: border-box;  
  width: 100%;
  height: 100%;
}

*, *:before, *:after {
  box-sizing: inherit;
  margin: 0;
}

#body {
  font-family: Lato, sans-serif;
  font-size: 16px;
}

#header {
  width: 100%;
  height: 60px;
  background: #D8D8D8;
  display: flex;
  position: fixed;
  top: 0;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
}

#header-img {
  width: 300px;
  height: 30px;
}

#nav-bar {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
}

#nav-bar ul {
  margin-top: 15px;
  list-style-type: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding-bottom: 15px;
}

.nav-link {
  text-decoration: none;
  color: black;
  font-weight: bold;
  font-size: 18px;
  margin: 0 15px;
}

.nav-link:hover, .footer-link:hover {
  color: #f54f41;
}

#container {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.title {
  color: #f54f41;
  font-weight: 600;
}

#get-started, #features, #products, #pricing {
  margin: 25px 0;
}

#get-started {
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}

form {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#email-input {
  width: 450px;
  height: 30px;
  margin-top: 5px;
  border: 1px solid #f54f41;
  border-radius: 5px;
  text-indent: 5px;
}

#submit-email {
  width: 180px;
  font-size: 18px;
  background: #f54f41;
  color: white;
  border: none;
  border-radius: 5px;
  margin: 8px;
  padding: 2px 10px;
}

#email-input:hover , #submit-email:hover {
  cursor: pointer;
  box-shadow: 2px 3px 5px #D8D8D8;
}

#email-input:hover {
    color: #f54f41;
}

#features {
  width: 800px;
  display: grid;
  grid-template-rows: repeat(1fr, 3);
  grid-template-columns: 10% 80%;
  grid-column-gap: 5px;
  align-items: center;
}

#features div {
  margin-bottom: 10px;
}

.icon {
  color: #f54f41;
}

#products {
  text-align: center;
}

iframe {
  margin-top: 10px;
}

#pricing h2 {
  text-align: center;
  margin-bottom: 8px;
}

#price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr;
  grid-column-gap: 20px;
}

.grid-item {
  padding: 10px;
  width: 250px;
  border: 1px solid #f54f41;
  border-radius: 5px;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 0.3fr 0.3fr 2fr 0.3fr;
  justify-items: center;
}

.grid-item h5 {
  font-weight: bold;
}

.price {
  font-size: 20px;
  font-weight: 900;
  color: #f54f41;
}

.select-item {
  width: 80px;
  font-size: 18px;
  background: #f54f41;
  color: white;
  border: none;
  border-radius: 5px;
}

.select-item:hover {
  cursor: pointer;
  box-shadow: 2px 3px 5px #D8D8D8;
}

#footer {
  background: #D8D8D8;
  padding: 5px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

#footer li {
  margin: 0 2px;
  list-style: none;
  display: inline;
  padding-left: 10px;
}

#footer p {
  margin: 0;
}

.footer-link {
  text-decoration: none;
  color: black;
  font-weight: bold;
}
!

JS
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999px

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