html { background-color: red; }
body{font-family: sans-serif; color: white;
    margin:50px; background-color: black
    }
h1 {text-align: center;}
  margin-right: 150px;
  margin-left: 80px;}
  h3 {margin-right: 150px;
    margin-left: 80px;}
p {margin-right: 150px;
  margin-left: 80px;
  margin-top:50px;
  margin-bottom:50px}
  img{margin-right: 150px;
    margin-left: 80px;}
    footer{text-align: right;}
a{color: red}