body {background:MediumSeaGreen;
        color:black;
        margin:10px;
}
h1 {color:black;
    text-align: center;
    font-size:25px;
    text-shadow: 3px 3px grey;
}
h2 {color:black;
    font-size:20px;
}
p { color:green;
}
ul.a {
  list-style-position: outside;
  background: powderblue;
  padding: 20px;
}