html {
  height: 100%;
  font-size: 1.4em;
}
body {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  height:100%;
  margin: 0;
  box-sizing: border-box;
  padding-top: 20px;
  background-repeat: no-repeat;
  background-attachment: fixed; 
  background: #7db9e8; /* Old browsers */
  background: -moz-linear-gradient(top, #7db9e8 1%, #1e5799 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(1%,#7db9e8), color-stop(100%,#1e5799)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top, #7db9e8 1%,#1e5799 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top, #7db9e8 1%,#1e5799 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top, #7db9e8 1%,#1e5799 100%); /* IE10+ */
  background: linear-gradient(to bottom, #7db9e8 1%,#1e5799 100%); /* W3C */
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 5px;
  background: #ddd;
  border-radius: 10px;
}

.header {
  margin: auto;
  text-align: center;
  border-bottom: 1px solid #000000;
  margin-bottom: 10px;
}

.sidebar {
  float: right;
  width: 200px;
  margin-top: -10px;
  border-left: 1px solid #000;
}

.sidebarItem {
  padding: 10px;
  border-bottom: 1px solid #000;
}

.sidebarItem strong {
  display: block;
  margin-bottom: 5px;
}

.sidebarItem a {
  text-decoration: none;
  color: #000;
}

.main {
  margin-left: 10px;
  line-height: 1.5em;
}

.clear {
  clear: both;
}