body {
  background-image: url("http://alejandrorivelles.neocities.org/psittacusfondo.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  height:100%;
  width:100%;
  }
button {
 /* background-image: url("http://alejandrorivelles.neocities.org/LoroPsittacus.png"); */
  font-size: 50px;
  border-radius: 40%;
  color: white;
  background-color:black;
  
  }
button:hover{
  box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
  background-color:white ;
  color: black;
  
  }

#botones {

  text-align: center;
  height:30%;
  }
#titulo{
  size: 200px;
  text-align: center;
  
  }
#pantallag{
  
    size:500px;  
    text-align: center; }
#loro{
  height:300px;
  width:300px;
  text-align: center;
  }