body {
  background-repeat: no-repeat; 
  background-position: top center;
  background-color: #000000;
}

#decom
{
  margin-left: auto;
  margin-right: auto;
  text-align: center; 
}

#ticket_link
{
  font-family: sans-serif;
  margin-left: auto;
  margin-right: auto;
  position:relative;
  width: 10%;    
  z-index:2;
}