html, body {
  height: 100%;
  margin: 0;
}

body{
  background-image: url("Fondo.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}

h1 { color: #800080; }
h3 { color: #963af1; font-weight: bold; }

img { float: left; }