body {
background-image: url("../images/fondo.jpg");
background-size: cover;
background-repeat: no-repeat;
background-attachment: fixed;
background-position: top center;
text-align: center;
overflow: hidden;
}

h1 { background-color: grey;
     color: white;
      text-align:center;
    border-left: solid 10px orange;
}

img { size-adjust: 300px;  
    border: 7px solid black;
  border-radius: 7px;
  box-shadow: 4px 4px gainsboro;
}

ul {

}

li {
    border-style: solid;
    display: inline;
}