Blue Fish 2

HTML

<div id="wrapper">
  <header>
    <h1>Blue Fish Version 2</h1>
  </header>
  <nav>
    <ul>
      <li><a href="fish-website.html">Home</a></li>
      <li><a href="fish.html">Blue Fish v1</a></li>
      <li><a href="fish2.html">Blue Fish v2</a></li>
      <li><a href="fish3.html">Blue Fish v3</a></li>
      <li><a href="fish4.html">Blue Fish v4</a></li>
    </ul>
  </nav>
  <main>
    <dl>
      <dt class="category"><a href="fish.html">Blue Fish Version 1</a></dt>
      <dd>HTML file no style applied</dd>
      <dt class="category"><a href="fish2.html">Blue Fish Version 2</a></dt>
      <dd>HTML file embedded style sheeet used </dd>
      <dt class="category"><a href="fish3.html">Blue Fish Version 3</a></dt>
      <dd>HTML file style applied via cascading style sheet (<a href="fishcreek.css">fishcreek.css</a> file)</dd>
      <dt class="category"><a href="fish4.html">Blue Fish Version 4</a></dt>
      <dd>fishcreek.css style sheet customized (<a href="fishcreeknew.css">fishcreeknew.css</a>)</dd>

    </dl>
    <div>
      <a id="mobile" href="tel:800-555-5555">1-800-555-5555</a> <span id="desktop">1-800-555-5555</span><br> 1242 Grassy Lane<br> Fish Creek, WI 55534<br>
      <br>
    </div>
  </main>
  <footer>
    Copyright &copy; 2015 Fish Creek Animal Hospital<br>
    <a href="mailto:[email protected]">[email protected]</a>
  </footer>
</div>

CSS

body {
  background-color: #6699ff;
  background-image: url(gradientblue.jpg);
  color: #d6e3ff;
  font-family: Verdana, Arial, sans-serif;
}

#wrapper {
  width: 80%;
  margin-right: auto;
  margin-left: auto;
  min-width: 700px;
  max-width: 1024px;
  background-color: #FFFFFF;
  color: #000066;
}

header {
  background-color: #000066;
  color: #FFFFFF;
  background-image: url(bigfish.gif);
  background-position: center;
  background-repeat: no-repeat;
}

h1 {
  text-align: left;
  font-size: 3em;
  padding: 10px;
  line-height: 150%;
  text-shadow: 3px 3px 3px #CCCCCC;
}

nav {
  font-weight: bold;
  float: left;
  width: 150px;
}

nav ul {
  list-style-type: none;
}

nav a {
  text-decoration: none;
}

nav a:link {
  color: #3262A3;
}

nav a:visited {
  color: #6699FF;
}

nav a:hover {
  color: #CCCCCC;
}

.category {
  font-weight: bold;
  background-color: #FFFFFF;
  color: #003366;
  font-size: 1.1em;
  text-shadow: 1px 1px 1px #666;
}

main {
  margin-left: 180px;
  padding-right: 20px;
  padding-bottom: 20px;
}

img {
  border-style: none;
}

footer {
  font-size: 0.70em;
  font-style: italic;
  padding: 10px;
  margin-left: 180px;
}

footer nav {
  text-align: left;
}

#mobile {
  display: none;
}

#desktop {
  display: inline;
}

header,
nav,
main,
footer {
  display: block;
}

@media only screen and (max-width: 1024px) {
  body {
    margin: 0;
    padding: 0;
    background-color: #fff;
    background-image: none;
  }
  #wrapper {
    width: auto;
    min-width: 0;
    margin: 0;
  }
  h1 {
    margin: 0;
    text-align: center;
    font-size: 2em;
    line-height: 200%;
  }
  nav {
    float: none;
    width: auto;
  }
  nav li {
    display: inline-block;
  }
  nav a {
    padding: 1em;
    border-style: none;
    font-size: 1.2em;
  }
  nav ul {
    text-align: center;
    padding: 0;
    margin: 0;
  }
  main {
    margin: 0;
    padding: 0 1em;
    font-size: 90%;
  }
  dd {
    margin-bottom: 1em;
  }
  footer {
    margin: 0;
  }
}

@media...