h1, p {
  margin: auto;
  margin-top: 2em;
  width: 50%;
  text-align: center;
}

html { 
  background: url(macbay.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-color: rgba(255,255,255,0.6);
  background-blend-mode: lighten;
}