#global_footer, #global_footer a
{
  font-size: 10px;
  color: gray;
  text-decoration: none;
}

#global_footer a img
{
  height: 16px;
  width: 16px;
  border: none;
  filter: alpha(opacity=50);
  -moz-opacity: 0.5;
  -khtml-opacity: 0.5;
  opacity: 0.5;
}

#global_footer a:hover img
{
  filter: alpha(opacity=100);
  -moz-opacity: 1;
  -khtml-opacity: 1;
  opacity: 1;
}