body {
  text-align: center;
  background-color: black;
  color: black;
  font-family: Times New Roman;  
}

p {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}
  
a:link {
  color: black;
  background-color: transparent;
  text-decoration: none;
}

a:visited {
  color: black;
  background-color: transparent;
  text-decoration: none;
}

a:hover {
  color: black;
  background-color: transparent;
  text-decoration: underline;
}

a:active {
  color: blue;
  background-color: transparent;
  text-decoration: underline;
}