*{
  margin:10px;
  padding:30px;
}
body{
    background-color: black;
}
#resultado{
    text-align: center;
    color: yellow;
    font-size: 70px;
}
#centrar2{
     text-align: center;
     position: relative;
}
#centrar3{
     text-align: center;
     position: relative;
}