:link { color: white; text-decoration: none;}  /* for unvisited links */
  :visited { color: white; text-decoration: none;} /* for visited links */
  a:active { color: yellow; text-decoration: none;} /* when link is clicked */
  a:hover { color: yellow; text-decoration: none;} /* when mouse is over link */
  
  body {margin-bottom : 0px; margin-top : 0px; margin-left : 0px;margin-right : 0px;}