hr { 
  display: block;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 2px;
  } 
 .center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 45%;
}
 a{text-decoration:none}
 a:visited { text-decoration: none; color:#0058ff; }
a:hover { text-decoration: none; color:#0058ff; }
a:focus { text-decoration: none; color:#0058ff; }
a:hover, a:active { text-decoration: none; color:#0058ff }

  body {
  font-family: Arial, sans-serif;
  background-color:black
 }
 .cover {
   border: 1px solid #ffffff;
 }