body {
  background-color:yellow;
  background: url("images/sitebackground.png") no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  color: black;
  font-family: Verdana;
  text-align: center;
}

#sitebanner {
  width: 450px;
  height: 200px;
  margin: auto;
  text-align: center;
  background-image: url(images/mustardsays1.png);
}