body {
    background-color: lightgray;
  }
  h1 {
    color: black;
  }
  table {
    color: black;
    background-color: lightgray;
  }
tr:nth-child(even) {
  background-color: lightgray;
}
tr:nth-child(odd) {
  background-color: white;
}
/* unvisited link */
a:link {
    color: rgb(56, 56, 56);
  }
  
  /* visited link */
  a:visited {
    color: black;
  }
  
  /* mouse over link */
  a:hover {
    color: blue;
  }
  
  /* selected link */
  a:active {
    color: darkblue;
  }