@charset "UTF-8";

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;
}

.banner {
   background-color: #11233b;
   color: white;
   padding: 10px 20px;
}

body {
   width: 960px;
   margin-left: auto;
   margin-right: auto;
   background-color: #f0f0f0;
   font-family: Helvetica, Arial, sans-serif;
   font-size: 15px;
}

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;
}