a {
  color: #ffffff;
  font-size: 24px;
}
a:visited {color: #ffffff}
a:active {color: #ffffff}
a:hover {color: #0e6193}
body {font-family: Arial; 
      background-color: #000000;
      margin: 20 px}
h1 {color: #ffffff; 
    text-align: center}
h2 {color: #ffffff; 
    text-align: center}
h3 {color: #ffffff; 
    text-align: center}
p {color: white;
   font-size: 18px}
ul {list-style-type: circle;
    font-size: 18px}