@charset "UTF-8";

<!--The following are the html5 elements that are used in RoryDog.com webpage-->
article, aside, footer, header, main, nav, section {
  display: block;
}

html, body, h1, h2, h3, ul, li, a, p, 
article, aside, footer, header, main, nav, section {
  padding: 0;
  margin: 0;
}

<!--The class '.banner' when cited on a webpage will contain white type on a #11233b background-->
.banner {
  background-color: #11233b;
  color: white;
  padding: 10px 20px;
}

<!--The 'body' of webpage governed by this stylesheet will have the following characteristics-->
body {
  width: 960px;
  margin-left: auto;
  margin-right: auto;
  background-color: #99CCFF;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 15px;
}

<!-I'd like to make all h1 headers centered but the code below doesn't do this.  I DK how?-->

h1 {text-align: center}

nav {
  background-color: #20416c;
  padding: 5px;
  margin-top: 1px;
}

li a {
  color: white;
}

li {
  display: inline;
  margin-left: 15px;
  margin-right: 15px;
  font-size: 20px;
  font-variant: small-caps;
  font-weight: bold;
}

section {
  background-color: #bbbbbb;
  margin-top: 10px;
  padding: 5px;
}

article {
  background-color: white;
  margin-top: 5px;
  padding: 10px 15px;
}

main {
  width: 640px;
  float: left;
  margin-bottom: 10px;
}

aside {
  background-color: #bbbbbb;
  width: 270px;
  float: right;
  padding: 20px;
  margin-top: 10px;
}

footer {
  clear: both;
  background-color: #20416c;
  color: white;
  padding: 5px 20px;
}