html, body
{
  height: 100%;
  margin: 0;
  padding: 0;
  text-align: center;
  background-image: url("bkg_gcaspp.png");
}
p
{ 
  color:#ff0000;
  font-family: Georgia, serif;
  font-weight: bold;
  text-align: center;  
}

.imagem
{
 width: 300px;
  height: 181px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -250px;
  margin-left: -150px;
}