div.signgb
{
  text-align:center;
  background-color:#5f89c2;
  color:white;
  margin:5px 5px 5px 5px;
  padding:5px 5px 5px 5px;
  border:2px solid #000723;
  -moz-border-radius:15px;
}

div.signgb span
{
  margin:0 2px 0 0;
}

div.signgb:hover { 
  background-color:black;
  border:2px solid #5f89c2;
  cursor:pointer;
  -moz-border-radius:15px;
}